From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: [PATCH md 003 of 3] Fix BUG when raid10 rebuilds without enough drives. Date: Tue, 6 Sep 2005 13:53:12 +1000 Message-ID: <1050906035312.19333@suse.de> References: <20050906134923.19249.patches@notabene> Return-path: Sender: linux-raid-owner@vger.kernel.org To: Andrew Morton Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids This shouldn't be a BUG. We should cope. Signed-off-by: Neil Brown ### Diffstat output ./drivers/md/raid10.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff ./drivers/md/raid10.c~current~ ./drivers/md/raid10.c --- ./drivers/md/raid10.c~current~ 2005-09-06 13:09:22.000000000 +1000 +++ ./drivers/md/raid10.c 2005-09-06 13:11:23.000000000 +1000 @@ -1474,7 +1474,13 @@ static sector_t sync_request(mddev_t *md } } if (j == conf->copies) { - BUG(); + /* Cannot recover, so abort the recovery */ + put_buf(r10_bio); + r10_bio = rb2; + if (!test_and_set_bit(MD_RECOVERY_ERR, &mddev->recovery)) + printk(KERN_INFO "raid10: %s: insufficient working devices for recovery.\n", + mdname(mddev)); + break; } } if (biolist == NULL) {