Is there a risk for HDD being loosely packaged for transportation?

I have received two HDDs (for a NAS) in a loosely package and not really sure if it is safe to keep them. My concern is that they might have been damaged during transportation. Although it doesn’t seem particularly dangerous to me all major manufacturers say it is inproper packaging. Do you think there’s a … Read more

8 x 15k SAS hdd disk with raid 0 performance vs single SSD disk for database [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 7 months ago. Improve this question Which one has a better performance for database application (e.g. postgres) if we just consider read/write operations speed and not fault tolerance 8 … Read more

using different sized zfs-mirrors to keep pool expandable

I’m a fulltime Linux-Admin and want to get more into becoming more familar with zfs. For my homelab-setup I always followed the following strategy for storage: Generic Linux-box, ubuntu LTS or something with a pair of ssds as boot-device (raid1, mdadm, lvm, luks) a few pairs of disks of the same size (e.G. 2x2TB, 2x3TB, … Read more

Identify HDD failure by sound + Is it safe to run smartctl on a mounted RAID1?

Basically, I have two WD HDDs in a programmatic RAID1 (no special hardware): $ lsscsi –verbose [0:0:0:0] disk ATA WDC WD10EFRX-68F 0A82 /dev/sda dir: /sys/bus/scsi/devices/0:0:0:0 [/sys/devices/pci0000:00/0000:00:17.0/ata1/host0/target0:0:0/0:0:0:0] [1:0:0:0] disk ATA WDC WD10EFRX-68F 0A82 /dev/sdb dir: /sys/bus/scsi/devices/1:0:0:0 [/sys/devices/pci0000:00/0000:00:17.0/ata2/host1/target1:0:0/1:0:0:0] one of those (/dev/sdb) started to produce perculiar noise. I’ve run the SMART overall-health self-assessment test with the result: … Read more

mechanical differences between 2.5 and 3.5 HDD, in long term offline storage context?

I’m researching best media for long-term offline storage. I’ve decided a couple mirrored, different brands, spinning HDDs being powered every 6mo is the best spot for amount of data x reliability x convenience. (This is just for context, don’t want to debate this) One factor I cannot account for is the mechanical differences between 2.5 … Read more

What linux distro support Host Managed HDD by file system?

According to this Seagate presentation there are some ongoing (?) efforts targeted toward modification of ext4 file system introducing SMRFS -EXT4 – support of host managed hard drives. The goal is to provide layer that will hide specifics of ZAC commands from applications (I believe). There is also this document that claims that “As of … Read more

Understanding output of zpool status and physically identify faulted disk

I have a ZFS running on an Ubuntu 20.04 server that currently is running in degraded state due to a faulted disk. The output of zpool status looks as follows: me@server:~$ zpool status tank pool: tank state: DEGRADED status: One or more devices could not be used because the label is missing or invalid. Sufficient … Read more