I created an xfs thinpool volume and before I did anything to it ran xfs_db and below is what I get. I suspect we have some endian issues. Kernel: 3.10.0-514.21.1, xfs-progs: 4.5.0-9.
xfs_db -r -c "sb 0" -c "p" -c "freesp" /dev/vg_docker/docker-pool Metadata CRC error detected at xfs_agf block 0x13ffc1/0x200 xfs_db: cannot init perag data (-74). Continuing anyway. magicnum = 0x58465342 blocksize = 4096 dblocks = 2621312 rblocks = 0 rextents = 0 uuid = 35ef4555-00f7-4284-85a4-f1e2fba39cd1 logstart = 2097160 rootino = 64 rbmino = 65 rsumino = 66 rextsize = 1 agblocks = 163832 agcount = 16 rbmblocks = 0 logblocks = 2560 versionnum = 0xb5a5 sectsize = 512 inodesize = 512 inopblock = 8 fname = "\000\000\000\000\000\000\000\000\000\000\000\000" blocklog = 12 sectlog = 9 inodelog = 9 inopblog = 3 agblklog = 18 rextslog = 0 inprogress = 0 imax_pct = 25 icount = 64 ifree = 61 fdblocks = 2618680 frextents = 0 uquotino = 0 gquotino = 0 qflags = 0 flags = 0 shared_vn = 0 inoalignmt = 4 unit = 8 width = 128 dirblklog = 0 logsectlog = 0 logsectsize = 0 logsunit = 32768 features2 = 0x18a bad_features2 = 0x18a features_compat = 0 features_ro_compat = 0 features_incompat = 0x1 features_log_incompat = 0 crc = 0x1b714c9e (correct) spino_align = 0 pquotino = 0 lsn = 0 meta_uuid = 00000000-0000-0000-0000-000000000000 xfs_db: error - read only 0 of 4096 bytes can't read btree block 2224758/0 Metadata CRC error detected at xfs_agf block 0x27ff81/0x200 xfs_db: error - read only 0 of 512 bytes agf 134144832 freelist blocks bad, skipping freelist scan xfs_db: error - read only 0 of 4096 bytes can't read btree block 1159652112/3289907424 Metadata CRC error detected at xfs_agf block 0x3bff41/0x200 xfs_db: error - read only 0 of 4096 bytes can't read btree block 84864/19088743 Metadata CRC error detected at xfs_agf block 0x4fff01/0x200 xfs_db: error - read only 0 of 512 bytes agf 1392790986 freelist blocks bad, skipping freelist scan xfs_db: error - read only 0 of 4096 bytes can't read btree block 56020915/2978937174 Metadata CRC error detected at xfs_agf block 0x63fec1/0x200 xfs_db: error - read only 0 of 512 bytes agf -485429224 freelist blocks bad, skipping freelist scan xfs_db: error - read only 0 of 4096 bytes can't read btree block 3043403764/4027056164 Metadata CRC error detected at xfs_agf block 0x77fe81/0x200 xfs_db: error - read only 0 of 512 bytes agf 808985120 freelist blocks bad, skipping freelist scan xfs_db: error - read only 0 of 4096 bytes can't read btree block 1768124260/595093041 Metadata CRC error detected at xfs_agf block 0x8bfe41/0x200 xfs_db: error - read only 0 of 512 bytes agf 1914729576 freelist blocks bad, skipping freelist scan xfs_db: error - read only 0 of 4096 bytes can't read btree block 1885696621/1869509408 Metadata CRC error detected at xfs_agf block 0x9ffe01/0x200 xfs_db: error - read only 0 of 512 bytes agf 1747499425 freelist blocks bad, skipping freelist scan xfs_db: error - read only 0 of 4096 bytes can't read btree block 3845968065/1176356136 Metadata CRC error detected at xfs_agf block 0xb3fdc1/0x200 xfs_db: error - read only 0 of 512 bytes agf 1369304858 freelist blocks bad, skipping freelist scan xfs_db: error - read only 0 of 4096 bytes can't read btree block 1287759352/1232322725 Metadata CRC error detected at xfs_agf block 0xc7fd81/0x200 xfs_db: error - read only 0 of 512 bytes agf 1878524519 freelist blocks bad, skipping freelist scan xfs_db: error - read only 0 of 4096 bytes can't read btree block 3446731495/37878236 Metadata CRC error detected at xfs_agf block 0xdbfd41/0x200 xfs_db: error - read only 0 of 512 bytes agf 1552914813 freelist blocks bad, skipping freelist scan xfs_db: error - read only 0 of 4096 bytes can't read btree block 3486594783/3779604787 Metadata CRC error detected at xfs_agf block 0xeffd01/0x200 xfs_db: error - read only 0 of 512 bytes agf -2067660465 freelist blocks bad, skipping freelist scan xfs_db: error - read only 0 of 4096 bytes can't read btree block 1940214479/4270206508 Metadata CRC error detected at xfs_agf block 0x103fcc1/0x200 xfs_db: error - read only 0 of 512 bytes agf 1997000133 freelist blocks bad, skipping freelist scan xfs_db: error - read only 0 of 4096 bytes can't read btree block 626163264/2683440904 Metadata CRC error detected at xfs_agf block 0x117fc81/0x200 xfs_db: error - read only 0 of 4096 bytes can't read btree block 1694500358/67372038 Metadata CRC error detected at xfs_agf block 0x12bfc41/0x200 xfs_db: error - read only 0 of 512 bytes agf -1828192256 freelist blocks bad, skipping freelist scan xfs_db: error - read only 0 of 4096 bytes can't read btree block 235877888/1452476416 from to extents blocks pct 1 1 4 4 0.00 131072 163832 1 163816 100.00 cache_purge: shake on cache 0x8b1d0070 left 27 nodes!? ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
