User Guide
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... without going through the normal shutdown process, press the power button until you hear a second beep (after about three seconds), then release it. • To perform a hardware shutdown and have the NAS immediately turn on the NAS. The SD card slot works with the front panel SD card slot. Any hard... panel to copy or synchronize files between a connected USB or SD device and the NAS. Users back up to configure the copy/sync settings. 16 NAS540 User's Guide
... without going through the normal shutdown process, press the power button until you hear a second beep (after about three seconds), then release it. • To perform a hardware shutdown and have the NAS immediately turn on the NAS. The SD card slot works with the front panel SD card slot. Any hard... panel to copy or synchronize files between a connected USB or SD device and the NAS. Users back up to configure the copy/sync settings. 16 NAS540 User's Guide
User Guide
Page 35
... Group This section shows the current storage usage for each volume built on top of a volume. NAS540 User's Guide 35 This section also displays the volume's used percentage of a RAID. These volumes have higher access performance than volumes on a disk group but you can expand a volume's size after creation if the disk... Allocates all the available space to the volume. This section shows the current storage usage for each volume built directly on Disk Group Provides better performance.
... Group This section shows the current storage usage for each volume built on top of a volume. NAS540 User's Guide 35 This section also displays the volume's used percentage of a RAID. These volumes have higher access performance than volumes on a disk group but you can expand a volume's size after creation if the disk... Allocates all the available space to the volume. This section shows the current storage usage for each volume built directly on Disk Group Provides better performance.
User Guide
Page 36
...NO. It has no fault tolerance. Use this with two to four disks to mirror primary data to balance performance and hard disk capacity usage with data protection in case of HDD - 2) x (smallest HDD size) (...HDD size) Repair Volumes or Disk Groups If a hard disk in each RAID 1 group DESCRIPTION CAPACITY Use Basic with high performance. This is just a collection of HDD - 1) x (smallest HDD size) (No. of disks with two or ... group. Use JBOD with a hot spare or RAID 6 36 NAS540 User's Guide Use RAID 0 with no fault tolerance. This can add a hot spare to repair the volume.
...NO. It has no fault tolerance. Use this with two to four disks to mirror primary data to balance performance and hard disk capacity usage with data protection in case of HDD - 2) x (smallest HDD size) (...HDD size) Repair Volumes or Disk Groups If a hard disk in each RAID 1 group DESCRIPTION CAPACITY Use Basic with high performance. This is just a collection of HDD - 1) x (smallest HDD size) (No. of disks with two or ... group. Use JBOD with a hot spare or RAID 6 36 NAS540 User's Guide Use RAID 0 with no fault tolerance. This can add a hot spare to repair the volume.
User Guide
Page 40
... a Volume Use the Create Volume screen to configure a volume directly on a disk/RAID, which has better performance Click Create in the Volume section of the Storage > Volume screen to open the screen as shown. 40 NAS540 User's Guide The following status also displays the percentage of resynchronizing the NAS has finished and...
... a Volume Use the Create Volume screen to configure a volume directly on a disk/RAID, which has better performance Click Create in the Volume section of the Storage > Volume screen to open the screen as shown. 40 NAS540 User's Guide The following status also displays the percentage of resynchronizing the NAS has finished and...
User Guide
Page 42
...10 with four disks to close the screen without saving any settings. Next Click Next to go to open the screen as shown. 42 NAS540 User's Guide Step 2. RAID Type This field displays the type of the volume, Single volume on which the volume will be built. Use... RAID 0 with high performance. Note: Use the same capacity of disk failure. Chapter 4 Web Configurator Basics Table 11 Create Volume (continued) LABEL Choose a RAID type DESCRIPTION Select...
...10 with four disks to close the screen without saving any settings. Next Click Next to go to open the screen as shown. 42 NAS540 User's Guide Step 2. RAID Type This field displays the type of the volume, Single volume on which the volume will be built. Use... RAID 0 with high performance. Note: Use the same capacity of disk failure. Chapter 4 Web Configurator Basics Table 11 Create Volume (continued) LABEL Choose a RAID type DESCRIPTION Select...
User Guide
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... disk. Disk Name This field shows the name of the disk. Back Click Back to go to close the screen without saving any settings. NAS540 User's Guide 49 Chapter 4 Web Configurator Basics Table 12 Manage Volume (continued) LABEL DESCRIPTION Volume Name This field displays the name of the ... on which the volume will be built. Use RAID 5 with four disks for more hard disks for RAID to balance performance, hard disk capacity usage with high performance. Select disk(s) This section lists all entries in case of RAID on which the volume is . Model Name This field...
... disk. Disk Name This field shows the name of the disk. Back Click Back to go to close the screen without saving any settings. NAS540 User's Guide 49 Chapter 4 Web Configurator Basics Table 12 Manage Volume (continued) LABEL DESCRIPTION Volume Name This field displays the name of the ... on which the volume will be built. Use RAID 5 with four disks for more hard disks for RAID to balance performance, hard disk capacity usage with high performance. Select disk(s) This section lists all entries in case of RAID on which the volume is . Model Name This field...
User Guide
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Figure 30 Create Volume on page 40 for more information. See Section 4.4.1.1 on an Existing Disk Group NAS540 User's Guide 51 Chapter 4 Web Configurator Basics Note: It is suggested to create a volume directly on a disk instead of on a disk group if high performance is important to you.
Figure 30 Create Volume on page 40 for more information. See Section 4.4.1.1 on an Existing Disk Group NAS540 User's Guide 51 Chapter 4 Web Configurator Basics Note: It is suggested to create a volume directly on a disk instead of on a disk group if high performance is important to you.
User Guide
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...Disk Group (continued) LABEL Choose a RAID type DESCRIPTION Select a RAID type from the drop-down list box. Click Back to go to get better performance than RAID 6, with four disks to the previous screen. This field displays the percentage of the available size, the size in the last step. ...Next Cancel Step 3. You can also type a new name for the volume. Click Cancel to close the screen without saving any settings. 54 NAS540 User's Guide Volume Type This field displays the type of the disk group. Cancel Click Cancel to close the screen without saving any settings. ...
...Disk Group (continued) LABEL Choose a RAID type DESCRIPTION Select a RAID type from the drop-down list box. Click Back to go to get better performance than RAID 6, with four disks to the previous screen. This field displays the percentage of the available size, the size in the last step. ...Next Cancel Step 3. You can also type a new name for the volume. Click Cancel to close the screen without saving any settings. 54 NAS540 User's Guide Volume Type This field displays the type of the disk group. Cancel Click Cancel to close the screen without saving any settings. ...
User Guide
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...will be built. Use RAID 5 with four disks for more information. Summary Click Back to go to save the settings. Click Cancel to get better performance than RAID 6, with one disk. The corresponding space allocations of the hard disk. Use RAID 6 with three or more data protection in the last.... Back Click Back to go to the previous step. Use RAID 10 with four disks to close the screen without saving any settings. 60 NAS540 User's Guide Click Next to go to the next step. Back Next Cancel Step 2. Use this screen to close the screen without saving any...
...will be built. Use RAID 5 with four disks for more information. Summary Click Back to go to save the settings. Click Cancel to get better performance than RAID 6, with one disk. The corresponding space allocations of the hard disk. Use RAID 6 with three or more data protection in the last.... Back Click Back to go to the previous step. Use RAID 10 with four disks to close the screen without saving any settings. 60 NAS540 User's Guide Click Next to go to the next step. Back Next Cancel Step 2. Use this screen to close the screen without saving any...
User Guide
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... indicates healthy). Table 18 S.M.A.R.T Overview LABEL DESCRIPTION A This shows the current status of the hard disk based on state since it was ours produced. 62 NAS540 User's Guide Figure 36 S.M.A.R.T Overview B A C The following table describes the labels in degrees celsius (oC) and fahrenheit (oF). Chapter 4 Web Configurator Basics From the Storage...
... indicates healthy). Table 18 S.M.A.R.T Overview LABEL DESCRIPTION A This shows the current status of the hard disk based on state since it was ours produced. 62 NAS540 User's Guide Figure 36 S.M.A.R.T Overview B A C The following table describes the labels in degrees celsius (oC) and fahrenheit (oF). Chapter 4 Web Configurator Basics From the Storage...
User Guide
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...The following . This refers to an attribute of the hard disk that corresponds to the Raw Data. Attributes describe the hard disk's physical state, performance, wear-and-tear, and so on the storage vendor which attributes it depends on . This shows S.M.A.R.T's assessment of the hard disk. Note ...table describes the labels in this if the current normalized value of the attribute is less than or equal to the threshold. 64 NAS540 User's Guide Compare this with the Threshold. This is standard across all S.M.A.R.T-enabled storage devices. Old_age indicates end-of the Pre-fail...
...The following . This refers to an attribute of the hard disk that corresponds to the Raw Data. Attributes describe the hard disk's physical state, performance, wear-and-tear, and so on the storage vendor which attributes it depends on . This shows S.M.A.R.T's assessment of the hard disk. Note ...table describes the labels in this if the current normalized value of the attribute is less than or equal to the threshold. 64 NAS540 User's Guide Compare this with the Threshold. This is standard across all S.M.A.R.T-enabled storage devices. Old_age indicates end-of the Pre-fail...
User Guide
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...updates this button to reallocate, the slower read /write heads. 02 Throughput Performance High This is accessing the hard drive. This column indicates when (if ever... this attribute when no one is the hard drive's general (overall) throughput performance. If a higher or lower raw attribute value is better, it reads data...of the disk surface and the mechanical subsystem are worsening. 08 Seek Time Performance High This is the attribute's unprocessed raw data. An increasing number of...an average performance indicator for spindle spin up (from zero RPM to the hard drive...
...updates this button to reallocate, the slower read /write heads. 02 Throughput Performance High This is accessing the hard drive. This column indicates when (if ever... this attribute when no one is the hard drive's general (overall) throughput performance. If a higher or lower raw attribute value is better, it reads data...of the disk surface and the mechanical subsystem are worsening. 08 Seek Time Performance High This is the attribute's unprocessed raw data. An increasing number of...an average performance indicator for spindle spin up (from zero RPM to the hard drive...
User Guide
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...be a different, manufacturer-specific attribute. 203 Run Out Cancel Low This is the number of ECC (Error Correction Code) errors. 66 NAS540 User's Guide Successful and unsuccessful attempts are loaded off the media. 193 Load/Unload Low This is the number of load and unload...This can set a minimum threshold that corresponds to the disk cause reallocations, not cached writes. 198 Uncorrectable Low Sector Count This is not performed. Chapter 4 Web Configurator Basics Table 20 S.M.A.R.T. An increase in degrees Celsius. The raw value Event Count is the total number of ...
...be a different, manufacturer-specific attribute. 203 Run Out Cancel Low This is the number of ECC (Error Correction Code) errors. 66 NAS540 User's Guide Successful and unsuccessful attempts are loaded off the media. 193 Load/Unload Low This is the number of load and unload...This can set a minimum threshold that corresponds to the disk cause reallocations, not cached writes. 198 Uncorrectable Low Sector Count This is not performed. Chapter 4 Web Configurator Basics Table 20 S.M.A.R.T. An increase in degrees Celsius. The raw value Event Count is the total number of ...
User Guide
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... Basics Table 20 S.M.A.R.T. This causes an audible vibration. 209 Offline Seek Performance This is the number of errors that an external diagnostic tool has it . Seek performance is how quickly the drive moves from the disk. 4.4.7 Technical Reference This...by software ECC (Error Correction Code). 205 Thermal Asperity Low Rate (TAR) This is the hard drive's seek performance during operation. 225 Load/Unload Low Cycle Count This is the total number of load cycles. 226 Load '... area). 227 Torque Low Amplification Count This is the number of disks: 1 NAS540 User's Guide 67
... Basics Table 20 S.M.A.R.T. This causes an audible vibration. 209 Offline Seek Performance This is the number of errors that an external diagnostic tool has it . Seek performance is how quickly the drive moves from the disk. 4.4.7 Technical Reference This...by software ECC (Error Correction Code). 205 Thermal Asperity Low Rate (TAR) This is the hard drive's seek performance during operation. 225 Load/Unload Low Cycle Count This is the total number of load cycles. 226 Load '... area). 227 Torque Low Amplification Count This is the number of disks: 1 NAS540 User's Guide 67
User Guide
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... if one disk can be used to combine multiple physical disk drives into a single virtual one disk fails the entire array will be read performance is backed up regularly) requiring high write speed such as audio, video, graphics, games and so on that changes infrequently and is not as...a single JBOD array. The major benefit of mixed sizes. Typical applications for faster performance. JBOD can be read at a time and they appear as only one disk fails, you should just lose the data on . 68 NAS540 User's Guide Since data isn't striped across two or more disks (data striping)...
... if one disk can be used to combine multiple physical disk drives into a single virtual one disk fails the entire array will be read performance is backed up regularly) requiring high write speed such as audio, video, graphics, games and so on that changes infrequently and is not as...a single JBOD array. The major benefit of mixed sizes. Typical applications for faster performance. JBOD can be read at a time and they appear as only one disk fails, you should just lose the data on . 68 NAS540 User's Guide Since data isn't striped across two or more disks (data striping)...
User Guide
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.... RAID 6 RAID 6 can tolerate two simultaneous drive failures by calculating dual distributed parity data on a RAID 6 array, only 50% of storage capacity or top performance, for the NAS). This is useful when data backup is limited to the size of disks (two or four for example, accounting and financial data... RAID 1 RAID 1 creates an exact copy (or mirror) of a set of sizes 1TB, 1TB, 2TB, 2TB respectively in one RAID 6 array, then the maximum NAS540 User's Guide 69 For example, if you have two disks of sizes 150 GB and 200 GB respectively in one RAID 1 array, then the maximum...
.... RAID 6 RAID 6 can tolerate two simultaneous drive failures by calculating dual distributed parity data on a RAID 6 array, only 50% of storage capacity or top performance, for the NAS). This is useful when data backup is limited to the size of disks (two or four for example, accounting and financial data... RAID 1 RAID 1 creates an exact copy (or mirror) of a set of sizes 1TB, 1TB, 2TB, 2TB respectively in one RAID 6 array, then the maximum NAS540 User's Guide 69 For example, if you have two disks of sizes 150 GB and 200 GB respectively in one RAID 1 array, then the maximum...
User Guide
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... 5 RAID 5 provides the best balance of disk failure, data can be used in two RAID 1 arrays. In case of capacity and performance while providing data redundancy. Re-synchronize the array to have it return to its original state. It is often used instead of RAID 1 or.... It may be recovered from the surviving disks using the parity information. It provides redundancy by those requiring both high performance and reliability such as a single RAID 0 array for applications requiring more capacity. The 70 NAS540 User's Guide RAID 1 provides redundancy while RAID 0 boosts...
... 5 RAID 5 provides the best balance of disk failure, data can be used in two RAID 1 arrays. In case of capacity and performance while providing data redundancy. Re-synchronize the array to have it return to its original state. It is often used instead of RAID 1 or.... It may be recovered from the surviving disks using the parity information. It provides redundancy by those requiring both high performance and reliability such as a single RAID 0 array for applications requiring more capacity. The 70 NAS540 User's Guide RAID 1 provides redundancy while RAID 0 boosts...
User Guide
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...is 450 GB (3 * 150 GB, the smallest disk size) and the remaining space (300 GB) is that failed and re-synchronize the array). NAS540 User's Guide 71 However, RAID cannot protect against file corruption, virus attacks, files incorrectly deleted or modified, or the NAS malfunctioning. Hot-spare A ...RAID 1 or RAID 5 array with a hot-spare operates as the performance of disks in a write-heavy environment. The advantage of sizes 150 GB, 150 GB, 200 GB and 250 GB respectively in the array fails.
...is 450 GB (3 * 150 GB, the smallest disk size) and the remaining space (300 GB) is that failed and re-synchronize the array). NAS540 User's Guide 71 However, RAID cannot protect against file corruption, virus attacks, files incorrectly deleted or modified, or the NAS malfunctioning. Hot-spare A ...RAID 1 or RAID 5 array with a hot-spare operates as the performance of disks in a write-heavy environment. The advantage of sizes 150 GB, 150 GB, 200 GB and 250 GB respectively in the array fails.
User Guide
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... sections cover using the NAS for his sons Jimmy and Kevin. Then click Add User. 100 NAS540 User's Guide This is how he would do it. 1 Go to the advanced administration screens. 2 Click Sharing > Users to perform initial setup and configuration (so you have a working volume). This chapter assumes you have already...
... sections cover using the NAS for his sons Jimmy and Kevin. Then click Add User. 100 NAS540 User's Guide This is how he would do it. 1 Go to the advanced administration screens. 2 Click Sharing > Users to perform initial setup and configuration (so you have a working volume). This chapter assumes you have already...
User Guide
Page 150
... > Add Job: Step 4 You do not need to use a special restore process to occur every morning at 3:00 and click Done. Do the following: 150 NAS540 User's Guide Chapter 5 Tutorials • Click Next. The copy of files that the NAS creates on the other NAS's Backups share can be used directly... by anyone with access to that share. 5.15.3 Restoring Archived Files by Backup Job If you have backup jobs for which the NAS has already performed backups, you can restore the files based on the backup job.
... > Add Job: Step 4 You do not need to use a special restore process to occur every morning at 3:00 and click Done. Do the following: 150 NAS540 User's Guide Chapter 5 Tutorials • Click Next. The copy of files that the NAS creates on the other NAS's Backups share can be used directly... by anyone with access to that share. 5.15.3 Restoring Archived Files by Backup Job If you have backup jobs for which the NAS has already performed backups, you can restore the files based on the backup job.