Eric Luyten wrote: > Our Z pool was 83% full ... > Deleted the December snapshots, which brought that figure down to 74% > > Performance came right back :-) > Running close to full you will eventually run into fragmentation issues. Fortunately you can grow the size of a pool while it's hot, get some more LUNs allocated and just do a zpool add. Highly recommend it until there's a patch to add background defrag for ZFS pools. You're the first person I've read using iSCSI though doesn't that add a bunch of latency? And 7200 RPM SATA to boot.
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