[merging] The HBA the drives are attached to has no configuration that I’m aware of. We would have had to accidentally change 23 of them ☺ Thanks, Kelly On 2016-05-25, 1:25 PM, "Kelly Lesperance" <klesperance at blackberry.com> wrote: >They are: > >[root at r1k1 ~] # hdparm -I /dev/sda > >/dev/sda: > >ATA device, with non-removable media > Model Number: MB4000GCWDC > Serial Number: S1Z06RW9 > Firmware Revision: HPGD > Transport: Serial, SATA Rev 3.0 > >Thanks, > >Kelly On 2016-05-25, 1:23 PM, "centos-bounces at centos.org on behalf of m.roth at 5-cent.us" <centos-bounces at centos.org on behalf of m.roth at 5-cent.us> wrote: >Kelly Lesperance wrote: >> I’ve posted this on the forums at >> https://www.centos.org/forums/viewtopic.php?f=47&t=57926&p=244614#p244614 >> - posting to the list in the hopes of getting more eyeballs on it. >> >> We have a cluster of 23 HP DL380p Gen8 hosts running Kafka. Basic specs: >> >> 2x E5-2650 >> 128 GB RAM >> 12 x 4 TB 7200 RPM SATA drives connected to an HP H220 HBA >> Dual port 10 GB NIC >> >> The drives are configured as one large RAID-10 volume with mdadm, >> filesystem is XFS. The OS is not installed on the drive - we PXE boot a >> CentOS image we've built with minimal packages installed, and do the OS >> configuration via puppet. Originally, the hosts were running CentOS 6.5, >> with Kafka 0.8.1, without issue. We recently upgraded to CentOS 7.2 and >> Kafka 0.9, and that's when the trouble started. ><SNIP> >One more stupid question: could the configuration of the card for how the >drives are accessed been accidentally changed? > > mark > >_______________________________________________ >CentOS mailing list >CentOS at centos.org >https://lists.centos.org/mailman/listinfo/centos