虚拟机出现 I/O 超时错误

Issue

• 因为超时，I/O 会被中止，这会导致文件系统错误。

sd 0:0:0:0: [sda] task abort on host 0, ffff88023a587cc0
...
sd 0:0:0:0: timing out command, waited 1080s
sd 0:0:0:0: [sda] Unhandled error code
sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_OK
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 04 11 e4 b8 00 00 08 00
Read-error on swap-device (253:1:119992)
...
Buffer I/O error on device dm-0, logical block 3145821
lost page write due to I/O error on dm-0
...
Aborting journal on device dm-3-8.
EXT4-fs error (device dm-3): ext4_journal_start_sb: Detected aborted journal
EXT4-fs (dm-3): Remounting filesystem read-only
EXT4-fs (dm-3): ext4_da_writepages: jbd2_start: 1024 pages, ino 131075; err -30