Why do we see ataX: softreset failed (device not ready) messages when hotplugging ATA drives

Solution In Progress - Updated -

Issue

  • ATA drive hotplugging logged the below softreset messages:
ata9: softreset failed (device not ready)
ata9: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
ata9.00: ATA-11: WUH721818ALE6L4, PCGAW232, max UDMA/133
ata9.00: 35156656128 sectors, multi 0: LBA48 NCQ (depth 32), AA
ata9.00: configured for UDMA/133
scsi 8:0:0:0: Direct-Access     ATA      WUH721818ALE6L4  W232 PQ: 0 ANSI: 5
sd 8:0:0:0: [sdi] 35156656128 512-byte logical blocks: (18.0 TB/16.4 TiB)
sd 8:0:0:0: [sdi] 4096-byte physical blocks
sd 8:0:0:0: [sdi] Write Protect is off
sd 8:0:0:0: [sdi] Mode Sense: 00 3a 00 00
sd 8:0:0:0: [sdi] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sd 8:0:0:0: Attached scsi generic sg8 type 0
sd 8:0:0:0: [sdi] Attached SCSI removable disk

Environment

  • Red Hat Enterprise Linux 8
  • Server with ATA drive hotplug capable slots running RHEL.

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content