ZFS

Preparing a server for sale – Supermicro 846 – 10 x 5TB HDD

Leave a Comment / Disks, File Systems, hardware, R730, ZFS / By /

FYI: This server has since gone to a new home. After powering off the server about 8 months ago, I took the first steps to selling it. I opened it up and took out 2x NVMe sticks (1TB each, ZFS mirrored, giving a 930G zpool) INTEL fiber NIC (Intel X540-AT2) I’ll be keeping those items. I also took an inventory of the drives still in the system: 10 x 5TB drives – all […]

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mps0: IOC Fault 0x40007e23, Resetting

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Here I am, sitting on a beach, writing a blog post, and sipping a cool adult beverage. Reading email. I see this: I quickly ssh into the host to check zpool status: Lines 15-17 are relevant. There was a resilver event, which completed at 08:49:48 The vdev state changed event occurred at 08:49:34 That all seems to tie in, time-wise. More info than you want This displays vdev guids: Line 11 shows the

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Replacing both drives in a zpool mirror

Leave a Comment / Disk Cloning, Disks, hardware, ZFS / By /

As previously mentioned, zuul has new drives. It is now time to replace the existing drives with the new drives. I will do this one at a time. Replace. Wait for resilver. At no time will the mirror be degraded (as would be the case if we removed a drive and mirrored). In this approach, we will mirror one of the drives to a new drive, and zfs will automatically remove the old

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