Issue

• Found many ATA link reset error in logs:

  messages:Aug 22 09:55:39 host1 kernel: ata1: hard resetting link
  messages:Aug 22 09:55:39 host1 kernel: ata2: hard resetting link
  messages:Aug 22 09:55:40 host1 kernel: ata2: hard resetting link
  messages:Aug 22 10:31:44 host1 kernel: ata1: hard resetting link
  messages:Aug 22 10:31:45 host1 kernel: ata2: hard resetting link
  messages:Aug 22 10:31:45 host1 kernel: ata2: hard resetting link
  

• Along with above errors, following errors were also observed:

  kernel: ata1.00: qc timeout (cmd 0xa0)
  kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x880000 action 0x6 frozen
  kernel: ata1: SError: { 10B8B LinkSeq }
  kernel: ata1.00: cmd a0/00:00:00:0c:00/00:00:00:00:00/a0 tag 0 pio 12 in
  kernel:          cdb 43 00 00 00 00 00 00 00  0c 00 0000 00 00 00 00
  kernel:          res 51/24:03:00:0c:00/00:00:00:00:00/a0 Emask 0x5 (timeout)
  [...]
  kernel: ata1.00: status: { DRDY ERR }
  kernel: ata1.00: hard resetting link
  kernel: ata1.01: hard resetting link
  kernel: ata1.00: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
  kernel: ata1.01: SATA link down (SStatus 4 SControl 300)
  [...]