LVM : system boot halts with error's as follows : reached low water mark for data device , : Switching pool to out-of-data-space mode

Solution Verified - Updated -

Issue

  • Sytem receiving below error during boot .
    Error received during boot

    # lvs
    LV              VG   Attr       LSize  Pool   Origin         Data%  Meta%  Move Log Cpy%Sync Convert LV Tags Devices
    pool00          boot twi-aotz--  6.78g                       100%     37.84  pool00_tdata(0)
    root            boot Vwi-aotz-- 13.20g pool00                     47.68
    
  • Server does not booting, enters in emergency mode.

    kernel: device-mapper: thin: 253:2: reached low water mark for data device: sending event.
    kernel: device-mapper: thin: 253:2: switching pool to out-of-data-space (queue IO) mode
    kernel: device-mapper: thin: 253:2: switching pool to out-of-data-space (error IO) mode
    kernel: XFS (dm-3): metadata I/O error in "xfs_buf_ioend+0x2af/0x620 [xfs]" at daddr 0x1ce81000 len 32 error 28
    kernel: XFS (dm-3): I/O error (0x1) detected at xfs_buf_ioend+0x4f7/0x620 [xfs] (fs/xfs/xfs_buf.c:1265). Shutting down filesystem
    kernel: XFS (dm-3): Please unmount the filesystem and rectify the problem(s)
    kernel: XFS (dm-3): log mount/recovery failed: error -28
    kernel: XFS (dm-3): log mount failed
    mount[665]: mount: /sysroot: mount(2) system call failed: No space left on device.
    

Environment

  • Red Hat Enterprise Linux Server 6.4+
  • lvm2
  • Thin provision

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content