From: "George Spelvin" Subject: Re: e2fsck: eh_magic = 0000 != f30a Date: 13 Nov 2012 11:42:30 -0500 Message-ID: <20121113164230.26152.qmail@science.horizon.com> References: <50A264F2.2020001@redhat.com> Cc: linux-ext4@vger.kernel.org To: linux@horizon.com, sandeen@redhat.com Return-path: Received: from science.horizon.com ([71.41.210.146]:31024 "HELO science.horizon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1750780Ab2KMQmb (ORCPT ); Tue, 13 Nov 2012 11:42:31 -0500 In-Reply-To: <50A264F2.2020001@redhat.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: Eric Sandeen wrote: > Just for posterity, can you say what parameters you used on mkfs, > as well as include the "dumpe2fs -h" output for the filesystem so we can > see features, geometry, etc? Then it can probably be reproduced > and analyzed. Ah, good idea, sorry. The command was mke2fs -E stride=32,stripe-width=352,resize=17179869184 -i 1048576 -L data -t ext4 -O metadata_csum,resize_inode,64bit,^huge_file -v /dev/md1 dumpe2fs 1.43-WIP (22-Sep-2012) Filesystem volume name: data Last mounted on: /data Filesystem UUID: c99d1f6f-b973-4378-a391-8e10f15fd24a Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super large_file dir_nlink extra_isize metadata_csum Filesystem flags: signed_directory_hash Default mount options: user_xattr acl Filesystem state: clean Errors behavior: Continue Filesystem OS type: Linux Inode count: 7630464 Block count: 1953383296 Reserved block count: 97669164 Free blocks: 227072527 Free inodes: 5618110 First block: 0 Block size: 4096 Fragment size: 4096 Reserved GDT blocks: 1024 Blocks per group: 32768 Fragments per group: 32768 Inodes per group: 128 Inode blocks per group: 8 RAID stride: 32 RAID stripe width: 352 Flex block group size: 16 Filesystem created: Sun Nov 11 17:08:46 2012 Last mount time: Tue Nov 13 08:02:29 2012 Last write time: Tue Nov 13 08:02:29 2012 Mount count: 2 Maximum mount count: -1 Last checked: Tue Nov 13 06:43:04 2012 Check interval: 0 () Lifetime writes: 6628 GB Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) First inode: 11 Inode size: 256 Required extra isize: 28 Desired extra isize: 28 Journal inode: 8 Default directory hash: half_md4 Directory Hash Seed: 305f1eba-74eb-438f-9acf-f41597f73f54 Journal backup: inode blocks Checksum type: crc32c Checksum: 0x8881f484 Journal features: journal_incompat_revoke journal_64bit Journal size: 128M Journal length: 32768 Journal sequence: 0x00005238 Journal start: 0