從昨天開始 linux 通過光纖直接連接磁盤陣列，會出現磁盤陣列掉了的情況，然后機器會重啟，本來重啟后，rose ha 會自動掛載磁盤陣列，現在由于 rose ha 也出了點問題，導致不切換備用服務器，主服務器也不掛載磁盤陣列的情況。導致服務起不來。

目前報錯如下 EXT4-fs error (device sdb): ext4_read_block_bitmap: Cannot read block bitmap -

Sep 13 18:02:48 localhost kernel: end_request: I/O error, dev sdb, sector 5301024

Sep 13 18:02:48 localhost kernel: JBD2: Detected IO errors while flushing file data on sdb-8

Sep 13 18:02:48 localhost kernel: Aborting journal on device sdb-8.

Sep 13 18:02:48 localhost kernel: JBD2: I/O error detected when updating journal superblock for sdb-8.

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_journal_start_sb: Detected aborted journal

Sep 13 18:02:48 localhost kernel: EXT4-fs (sdb): Remounting filesystem read-only

Sep 13 18:02:48 localhost kernel: JBD2: Detected IO errors while flushing file data on sdb-8

Sep 13 18:02:48 localhost kernel: journal commit I/O error

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_read_block_bitmap: Cannot read block bitmap - block_group = 3626, block_bitmap = 118489098

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_discard_preallocations: Error reading block bitmap for 3626

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_read_block_bitmap: Cannot read block bitmap - block_group = 169, block_bitmap = 5242889

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_discard_preallocations: Error reading block bitmap for 169

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_read_block_bitmap: Cannot read block bitmap - block_group = 3626, block_bitmap = 118489098

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_discard_preallocations: Error reading block bitmap for 3626

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_read_block_bitmap: Cannot read block bitmap - block_group = 3627, block_bitmap = 118489099

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_discard_preallocations: Error reading block bitmap for 3627

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_read_block_bitmap: Cannot read block bitmap - block_group = 169, block_bitmap = 5242889

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_discard_preallocations: Error reading block bitmap for 169

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_read_block_bitmap: Cannot read block bitmap - block_group = 3630, block_bitmap = 118489102

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_discard_preallocations: Error reading block bitmap for 3630

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_read_block_bitmap: Cannot read block bitmap - block_group = 3630, block_bitmap = 118489102

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_discard_preallocations: Error reading block bitmap for 3630

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_read_block_bitmap: Cannot read block bitmap - block_group = 3630, block_bitmap = 118489102

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_discard_preallocations: Error reading block bitmap for 3630

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_read_block_bitmap: Cannot read block bitmap - block_group = 2593, block_bitmap = 84934657

Sep 13 18:02:48 localhost kernel: EXT4-fs error (device sdb): ext4_discard_preallocations: Error reading block bitmap for 2593

我去磁盤陣列查看了下，當時磁盤陣列也有報錯 大約報錯是 光纖連接中斷一分鐘這樣的錯誤

請教下大神，這是什么問題？光纖線 連接的問題嗎？還是其他問題？

總結

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