Sol9 04/03 after patching problem with md and sd

ckippe_at_netscape.net
Date: 01/26/05

  • Next message: Scott.Cooper_at_edl.uk.eds.com: "UFS Logging - disadvantages?" 
    Date: Wed, 26 Jan 2005 02:05:40 -0500
To: sunmanagers@sunmanagers.org

    Hello,
    after applying the recent patches to a V240 running Sol 9 (04/03) (now 117171-17) and a reconfigure reboot the system came up with the message:

    checking ufs filesystems
    /dev/dsk/emcpower0a is logging (ok, first disk in a emc-box)
    /dev/dsk/emcpower1a is logging (ok, 2nd disk in a emc-box)
    wait: no child processes

    Give root-password.....

    Assuming that this is not a problem of a filesystem (I fsck'd), its a md-problem, I checked the metastat, that said all submirrors need maintenance, e.g.:
    d1: Mirror
    Submirror 0: d11
    State: Needs maintenance
    Submirror 1: d21
    State: Needs maintenance
    Pass: 1
    Read option: roundrobin (default)
    Write option: parallel (default)
    Size: 2097414 blocks (1.0 GB)

    I did nothing else, logged out (resuming mountall, ...) and the system came up normally with all filesystems mounted. Then I checked metastat again and it said all ok. Strange. I checked the messages and found the following:

    Jan 25 10:09:18 u4100039 md_mirror: [ID 379821 kern.info] NOTICE: md: B_FAILFAST I/O disabled on sd
    Jan 25 10:09:18 u4100039 genunix: [ID 454863 kern.info] dump on /dev/md/dsk/d3 size 2048 MB

    What is wrong here? What does this "wait: No child processes" mean?

    When the machine is up all md-modules are loaded,
    u4100039:root:/var/adm$ modinfo | grep md
    17 11c085a 2d32b 85 1 md (Solaris Volume Manager base mod)
    31 781f0000 d0c5 - 1 md_trans (Solaris Volume Manager trans mo)
    32 781fe000 ed0c - 1 md_raid (Solaris Volume Manager raid mod)
    33 78214000 2a03 - 1 md_hotspares (Solaris Volume Manager hot spar)
    34 7820e000 4d1c - 1 md_sp (Solaris Volume Manager soft par)
    35 1340d35 54e0 - 1 md_stripe (Solaris Volume Manager stripes )
    36 1345d89 126be - 1 md_mirror (Solaris Volume Manager mirrors )
    72 12e7e19 107d - 1 md5 (MD5 Message-Digest Algorithm)
    141 781091b1 1004 - 1 md_notify (Solaris Volume Manager notifica)

    Any ideas?

    Thanks in advance.
    Christian

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