Disks

Booting off the new 5TB drives

This is about FreeBSD 11.1 on my knew server. I recently replaced the 3TB drives with 5TB drives. Along the way, it didn’t boot, the swap was adjusted, I got concerned about power, and there was a brief CAM status: SCSI Status Error scare. Then today, the planned reboot, I started asking questions on Reddit […]

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After replacing 3TB drive with 5TB drive, FreeBSD 10.3 system did not reboot

I started replacing 3TB drives with 5TB drives in a 10 drive raidz3 array on a FreeBSD 10.3 box. I was not sure which drive tray to pull, so I powered off the server, and, one by one, pulled the drive tray, photographed it, and reinserted the drive tray. No changes were made. The first

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Adding a failed HDD back into a ZFS mirror

I do have a FreeBSD-11 box, cuppy: $ uname -a FreeBSD cuppy.int.unixathome.org 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r279394: Sat Feb 28 21:01:21 UTC 2015 dan@cuppy.unixathome.org:/usr/obj/usr/src/sys/GENERIC amd64 $ That box is used mostly for testing and/or erasing DLT tapes. The current status of that box is not healthy. It’s running fine, but it is not optimal: Let’s

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Added new drive when existing one gave errors, then zpool replace

In this post, I am working with FreeBSD 10.2 on this server. Over the past few days, a 3 year old drive has been giving errors. The number of errors has been constant, but I have a spare drive here, so I decided to replace it. I have verified that it is out of warranty.

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smartd: Device: /dev/ada0, 8 Currently unreadable (pending) sectors persists

That smartd: Device: /dev/ada0, 8 Currently unreadable (pending) sectors problem which arose on Sunday is still around. I’ve run a short test, a long test, and a ZFS scrub is now underway. I may just replace the drive. $ sudo smartctl -P show /dev/ada0 smartctl 6.4 2015-06-04 r4109 [FreeBSD 10.2-RELEASE-p9 amd64] (local build) Copyright (C)

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smartd: Device: /dev/ada0, 8 Currently unreadable (pending) sectors

This morning I discovered this in my logs: Feb 14 04:56:39 knew kernel: (ada0:ata0:0:0:0): READ_DMA48. ACB: 25 00 b8 a8 f0 40 4b 00 00 00 e8 00 Feb 14 04:56:54 knew kernel: (ada0:ata0:0:0:0): CAM status: ATA Status Error Feb 14 04:56:54 knew kernel: (ada0:ata0:0:0:0): ATA status: 51 (DRDY SERV ERR), error: 40 (UNC )

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