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From: agk@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2 ./WHATS_NEW tools/lvcreate.c Date: Mon, 12 Nov 2007 13:34:00 -0000 [thread overview] Message-ID: <20071112133415.32045.qmail@sourceware.org> (raw) CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: agk@sourceware.org 2007-11-12 13:34:14 Modified files: . : WHATS_NEW tools : lvcreate.c Log message: Attempt to remove incomplete LVs with lvcreate zeroing/activation problems. Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW.diff?cvsroot=lvm2&r1=1.731&r2=1.732 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/tools/lvcreate.c.diff?cvsroot=lvm2&r1=1.154&r2=1.155 --- LVM2/WHATS_NEW 2007/11/09 16:51:53 1.731 +++ LVM2/WHATS_NEW 2007/11/12 13:34:14 1.732 @@ -1,5 +1,6 @@ Version 2.02.29 - ================================== + Attempt to remove incomplete LVs with lvcreate zeroing/activation problems. Add activation/readahead configuration option and FMT_RESTRICTED_READAHEAD. Extend readahead arg to accept "auto" and "none". Add lv_read_ahead and lv_kernel_read_ahead fields to reports. --- LVM2/tools/lvcreate.c 2007/11/09 16:51:54 1.154 +++ LVM2/tools/lvcreate.c 2007/11/12 13:34:14 1.155 @@ -249,7 +249,7 @@ * Generic mirror parameter checks. * FIXME: Should eventually be moved into lvm library. */ -static int _validate_mirror_params(const struct cmd_context *cmd, +static int _validate_mirror_params(const struct cmd_context *cmd __attribute((unused)), const struct lvcreate_params *lp) { int pagesize = lvm_getpagesize(); @@ -638,6 +638,12 @@ lp->extents = lp->extents - size_rest + lp->stripes; } + if (lp->zero && !activation) { + log_error("Can't wipe start of new LV without using " + "device-mapper kernel driver"); + return 0; + } + if (lp->snapshot) { if (!activation()) { log_error("Can't create snapshot without using " @@ -811,45 +817,41 @@ alloc_destroy(ah); ah = NULL; } else if (!lv_extend(lv, lp->segtype, lp->stripes, lp->stripe_size, - lp->mirrors, lp->extents, NULL, 0u, 0u, pvh, lp->alloc)) { - stack; - return 0; - } + lp->mirrors, lp->extents, NULL, 0u, 0u, pvh, lp->alloc)) + return_0; /* store vg on disk(s) */ - if (!vg_write(vg)) { - stack; - return 0; - } + if (!vg_write(vg)) + return_0; backup(vg); - if (!vg_commit(vg)) { - stack; - return 0; - } + if (!vg_commit(vg)) + return_0; if (lp->snapshot) { if (!activate_lv_excl(cmd, lv)) { log_error("Aborting. Failed to activate snapshot " - "exception store. Remove new LV and retry."); - return 0; + "exception store."); + goto revert_new_lv; } } else if (!activate_lv(cmd, lv)) { + if (lp->zero) { + log_error("Aborting. Failed to activate new LV to wipe " + "the start of it."); + goto revert_new_lv; + } log_error("Failed to activate new LV."); return 0; } - if ((lp->zero || lp->snapshot) && activation()) { - if (!set_lv(cmd, lv, UINT64_C(0), 0) && lp->snapshot) { - /* FIXME Remove the failed lv we just added */ - log_error("Aborting. Failed to wipe snapshot " - "exception store. Remove new LV and retry."); - return 0; - } - } else { + if (!lp->zero && !lp->snapshot) log_error("WARNING: \"%s\" not zeroed", lv->name); - /* FIXME Remove the failed lv we just added */ + else if (!set_lv(cmd, lv, UINT64_C(0), 0)) { + log_error("Aborting. Failed to wipe %s.", + lp->snapshot ? "snapshot exception store" : + "start of new LV"); + goto deactivate_and_revert_new_lv; } if (lp->snapshot) { @@ -860,7 +862,7 @@ /* COW area must be deactivated if origin is not active */ if (!origin_active && !deactivate_lv(cmd, lv)) { log_error("Aborting. Couldn't deactivate snapshot " - "COW area."); + "COW area. Manual intervention required."); return 0; } @@ -868,13 +870,13 @@ if (!vg_add_snapshot(NULL, org, lv, NULL, org->le_count, lp->chunk_size)) { - log_err("Couldn't create snapshot."); + log_error("Couldn't create snapshot."); return 0; } /* store vg on disk(s) */ if (!vg_write(vg)) - return 0; + return_0; if (!suspend_lv(cmd, org)) { log_error("Failed to suspend origin %s", org->name); @@ -883,7 +885,7 @@ } if (!vg_commit(vg)) - return 0; + return_0; if (!resume_lv(cmd, org)) { log_error("Problem reactivating origin %s", org->name); @@ -906,6 +908,20 @@ if (ah) alloc_destroy(ah); return 0; + +deactivate_and_revert_new_lv: + if (!deactivate_lv(cmd, lv)) { + log_error("Unable to deactivate failed new LV. " + "Manual intervention required."); + return 0; + } + +revert_new_lv: + /* FIXME Better to revert to backup of metadata? */ + if (!lv_remove(lv) || !vg_write(vg) || backup(vg), !vg_commit(vg)) + log_error("Manual intervention may be required to remove " + "abandoned LV(s) before retrying."); + return 0; } int lvcreate(struct cmd_context *cmd, int argc, char **argv)
next reply other threads:[~2007-11-12 13:34 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2007-11-12 13:34 agk [this message] -- strict thread matches above, loose matches on Subject: below -- 2012-04-11 12:33 zkabelac 2012-03-02 17:25 zkabelac 2012-03-01 21:21 zkabelac 2012-02-27 10:00 zkabelac 2011-11-07 11:01 zkabelac 2011-09-22 15:36 jbrassow 2008-09-24 16:32 mbroz 2008-06-05 13:38 agk 2008-01-17 15:53 agk 2008-01-16 15:25 agk 2007-09-24 13:25 wysochanski 2007-09-17 17:18 agk 2007-07-17 16:13 mbroz 2006-10-26 18:22 agk 2006-05-24 13:58 agk 2005-06-22 14:56 agk 2004-10-15 15:53 agk
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