22 votes
Accepted

Do empty drive bays need to be filled?

It sounds like you bought a repurposed server. The previous owner probably took out their disks and had them destroyed, leaving only empty hot-swap bays. On new servers those are are filled with ...
HBruijn's user avatar
  • 80.3k
11 votes
Accepted

How can I connect a SAS drive to USB?

Such device finally exist CXRT SAS to USB adapter CXRT-USB3. You can find it on Amazon, eBay and couple other places. There are 2 downsides in my opinion. It’s almost 100 times more expensive than ...
V0JT4's user avatar
  • 126
9 votes
Accepted

/proc/diskstats: No such file or directory

Looks like you are on a Virtual server (VPS). If your VPS is based on OpenVZ, openVZ usually doesn't expose all counters (like /proc/diskstats) to its containers.
Sreekanth's user avatar
  • 106
6 votes

Best practices for backing up company data?

3-2-1 rule all night long! https://www.veeam.com/blog/the-3-2-1-0-rule-to-high-availability.html https://knowledgebase.starwindsoftware.com/explanation/the-3-2-1-backup-rule/ I would revise your ...
batistuta09's user avatar
  • 9,106
6 votes

How can I connect a SAS drive to USB?

While we can all appreciate the occasional advice on backup strategies and their importance, there are things that even Tivoli won't help you with, so to answer the actual question, in short: To ...
Roy's user avatar
  • 4,446
5 votes

Do empty drive bays need to be filled?

I'm going to add another answer as my other one had information which was incorrect which was my fault for not taking note of the server that you have. If the server has hot swap bays, then yes, they ...
Nasir Riley's user avatar
  • 2,137
5 votes

Why do Hard Drives have multiple platters?

Each platter has limited capacity. Multiple platters increases capacity by increasing the space available to store data. A Clown Based Analogy Here's an analogy for you: you're a circus clown, and ...
Tim's user avatar
  • 32.7k
5 votes
Accepted

Is it possible to check drives SMART attributes from a USB/eSATA enclosure?

You can obtain SMART attributes if the USB adapter/enclosure supports UASP, USB Attached SCSI Protocol. Older enclosures may not support this protocol and may only have proprietary interfaces to SMART,...
Michael Hampton's user avatar
5 votes

Two drive ZFS pool, second drive overwritten with data. How do I restore/copy data back to the second drive?

Well, it was a mirror, so it sure seems like you would just need to re-create the partition table and correctly sized partitions on the wiped disk, and the add it, then remove the left over entry. ...
Zoredache's user avatar
  • 132k
4 votes

Restored a crashed server from a image copy almost 8 months old and

Multiple issues going on here. Where should I start. Shut down and delete the restored DC. Perform whatever metadata cleanup is needed to remove the restored DC from AD. Sieze the FSMO roles to the ...
joeqwerty's user avatar
  • 111k
3 votes

How to restore or recover a Logical Drive (RAID 5) on HP Proliant DL380 G6 (Windows Server 2012 R2 Standard)?

You can try to run chkdsk and it is better to have backups always available if you are dealing with Raid 5 on HDD.
A.Newgate's user avatar
  • 1,483
2 votes

Create VHD file from a folder?

I believe the best way to proceed in your case would be: Create .VHDX with required size: https://www.windowscentral.com/how-create-and-set-vhdx-or-vhd-windows-10 Move all your files to a newly ...
batistuta09's user avatar
  • 9,106
2 votes

Access network share without mapping drive letter (PowerShell)

just want to add to massimo's answer that I also noticed that if I was in other PSDrives I could not use network locations but regular locations work fine. For example, if I am in Cert:\LocalMachine\...
PsychoData's user avatar
2 votes
Accepted

Two drive ZFS pool, second drive overwritten with data. How do I restore/copy data back to the second drive?

I took the disk offline zpool offline hgst /dev/disk/by-id/ata-HGST_HDN724030ALE640_PK2238P3G3E0MJ Detached the drive zpool detach hgst 4596995095197485503 Cleared label zpool labelclear -f /dev/...
Ohto Nordberg's user avatar
2 votes

Two drive ZFS pool, second drive overwritten with data. How do I restore/copy data back to the second drive?

I would use these commands: zpool detach hgst <corrupted_device> zpool attach -f hgst <online_device> <new_device> (check man pool to be sure) Use pool add carefully, because you ...
Michel's user avatar
  • 21
2 votes

Best practices for backing up company data?

Depending on how much data (that needs to be backed up) you have, you may want to consider the local backup repository on-site to improve your RTO. If you feel confident going with Google drive, I ...
Strepsils's user avatar
  • 5,115
2 votes

IPMI : FATAL: Error inserting ipmi_si

ipmi_si only works with real hardware. you can use something like virt-manager to see the VM console.
Tux_DEV_NULL's user avatar
  • 1,103
2 votes

Btrfs Raid10 Two drives have failed. What are my options?

1) Check the SMART of each disk and make sure that there is no fault on the physical disks. 2) Backup the data, make the test for bad blocks on each disk and recreate RAID10 volume. In any case, ...
batistuta09's user avatar
  • 9,106
2 votes
Accepted

What is the maximum physical drive size on an HP p420i RAID controller?

Ive Googled a hour and wont find any info if bigger Drives will work, so i equipped a Z220 Workstation with a 1GB P420 Controller (similar to P420i, but the Card version, the i is integrated) And ...
autoexec1's user avatar
1 vote

Backup software that can split files to 3 separate disks

If you want to backup 3TB of data, then the most realiable, easy and probably cheapest solution would be to purchase a new 4TB disk. They cost 50-100 USD nowadays. It is not a huge investment to ...
J-M's user avatar
  • 2,040
1 vote

What is the maximum physical drive size on an HP p420i RAID controller?

I couldn't find a quickspec for the P420/420i that listed the 8TB disk as being supported, in fact I can only find one referring to 4TB disks but that document you link to is clear - it supports 8TB ...
Chopper3's user avatar
  • 102k
1 vote

What is the maximum physical drive size on an HP p420i RAID controller?

Nobody knows how big hard drives could be used on your server, you could try disks with bigger, but it can only be determined in practice. Vendor guarantee, that system would work with 8Tb disks ...
Alexander Tolkachev's user avatar
1 vote

How can I increase my server space?

Websites look like that when CSS fails to load. I'm not going to review it in detail but the first obvious issue is the attempt to load a CSS file from wp-content/cache/autoptimize which fails. It's ...
USD Matt's user avatar
  • 5,391
1 vote

Debian/Ubuntu, inconsistency between S-ATA ports numbering and /dev/sdX lettering

SATA ports have no influence on what /dev/sdX they get. The Linux kernel assigns the letters based on what is detected first. When mounting drives etc it’s much safer and easier to use the UUID of the ...
Timothy Frew's user avatar
1 vote

Cent OS 7 File System recognize expanded root

You expanded your filesystem correctly. The "49GB" you are concerned about is the space currently used on the filesystem by files under /, not the total space.
Michael Hampton's user avatar
1 vote

How to mount a folder as a drive and share on network

This is probably because subst creates only transient mappings, i.e. the mapping will not last over reboots. You can add permanent mappings in the registry key Computer\HKEY_LOCAL_MACHINE\SYSTEM\...
Jakob's user avatar
  • 146
1 vote

Network Drives reappearing over and over

You should reconfigure the GPP settings, apply the GPO to the affected users (link the GPO to the appropriate OU or target it to a specific user group) and use the Delete action. https://technet....
joeqwerty's user avatar
  • 111k
1 vote

Map PCIe slot number (or BDF) to device number or vice versa

There is a way in Linux. Try readlink -f /sys/class/nvme/nvme* This should show you the BDF number with associated nvme device name.
Shivam Chauhan's user avatar

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