obviously, I meant VDEVs, not LVOLs... It's been a long day... ----- Original Message ----- > Hi all > > I have this server with some 50TB disk space. It originally had 30TB > on WD Greens, was filled quite full, and another storage chassis was > added. Now, space problem gone, fine, but what about speed? Three of > the VDEVs are quite full, as indicated below. VDEV #3 (the one with > the spare active) just spent some 72 hours resilvering a 2TB drive. > Now, those green drives suck quite hard, but not _that_ hard. I'm > guessing the reason for this slowdown is the fill of those three first > VDEVs. > > Now, is there a way, manually or automatically, to somehow balance the > data across these LVOLs? My first guess is that doing this > _automatically_ will require block pointer rewrite, but then, is there > way to hack this thing by hand? > > PS: Yeah, I know, it's more disks on the fourth VDEV than on the first > three, but this was how wi chose to do it. > PPS: c10d1s1 and c11d0s1 is the SLOG mirror, even though zpool iostat > doesn't show it (zfs status does). > > r...@urd:~# zpool iostat -v > capacity operations bandwidth > pool alloc free read write read write > ------------ ----- ----- ----- ----- ----- ----- > dpool 38.7T 20.9T 302 39 17.3M 2.20M > raidz2 12.1T 552G 81 3 4.72M 205K > c7t2d0 - - 34 2 1.18M 41.5K > c7t3d0 - - 34 2 1.18M 41.5K > c7t4d0 - - 33 2 1.18M 41.5K > c7t5d0 - - 33 2 1.18M 41.5K > c7t6d0 - - 34 2 1.18M 41.5K > c7t7d0 - - 33 2 1.18M 41.5K > c8t0d0 - - 35 2 1.18M 41.5K > raidz2 12.4T 277G 84 5 4.81M 278K > c8t1d0 - - 35 3 1.22M 56.1K > c8t2d0 - - 34 3 1.22M 56.1K > c8t3d0 - - 35 3 1.22M 56.1K > c8t4d0 - - 35 3 1.22M 56.1K > c8t5d0 - - 34 3 1.22M 56.1K > c8t6d0 - - 35 3 1.22M 56.1K > c8t7d0 - - 34 3 1.22M 56.1K > raidz2 12.0T 631G 101 7 6.50M 294K > c9t0d0 - - 39 3 1.56M 58.7K > c9t1d0 - - 39 3 1.56M 58.7K > c9t2d0 - - 39 3 1.56M 58.7K > c9t3d0 - - 39 3 1.56M 58.7K > spare - - 472 42 7.16M 83.9K > c9t4d0 - - 39 3 1.56M 58.7K > c9t7d0 - - 0 259 2 6.85M > c9t5d0 - - 39 3 1.56M 58.7K > c9t6d0 - - 38 3 1.56M 58.7K > mirror 11.8M 4.96G 0 14 0 1.03M > c10d1s0 - - 0 14 0 1.03M > c11d0s0 - - 0 14 0 1.03M > raidz2 2.24T 19.5T 33 8 1.23M 417K > c14t9d0 - - 11 2 212K 42.3K > c14t10d0 - - 11 2 208K 42.3K > c14t11d0 - - 12 2 211K 42.3K > c14t12d0 - - 11 2 211K 42.3K > c14t13d0 - - 11 2 207K 42.3K > c14t14d0 - - 12 2 211K 42.3K > c14t15d0 - - 11 2 211K 42.3K > c14t16d0 - - 11 2 208K 42.3K > c14t17d0 - - 12 2 212K 42.3K > c14t18d0 - - 11 2 212K 42.3K > c14t19d0 - - 11 2 209K 42.3K > c14t20d0 - - 12 2 211K 42.3K > cache - - - - - - > c10d1s1 69.5G 7.88M 6 6 314K 765K > c11d0s1 69.5G 6.59M 6 6 313K 766K > > > -- > Vennlige hilsener / Best regards > > roy > -- > Roy Sigurd Karlsbakk > (+47) 97542685 > r...@karlsbakk.net > http://blogg.karlsbakk.net/ > -- > I all pedagogikk er det essensielt at pensum presenteres > intelligibelt. Det er et elementært imperativ for alle pedagoger å > unngå eksessiv anvendelse av idiomer med fremmed opprinnelse. I de > fleste tilfeller eksisterer adekvate og relevante synonymer på norsk. > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
-- Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
