Re: [CentOS] Race condition with mdadm at boot [still mystifying]

2011-03-12 Thread compdoc
On the particular Supermicro motherboard I'm using, there is a very long delay (10 or 15 sec) between power-on and initiation of visible BIOS activity, so all disk drives have ample time to spin up and stabilize. Yeah, I have used Supermicro in the past and they had the same long pause when you

Re: [CentOS] Race condition with mdadm at boot [still mystifying]

2011-03-11 Thread Chuck Munro
On 03/11/2011 09:00 AM, Les Mikesell wrote: On 3/10/11 9:25 PM, Chuck Munro wrote: However, on close examination of dmesg, I found something very interesting. There were missing 'bindsd??' statements for one or the other hot spare drive (or sometimes both). These drives are

[CentOS] Race condition with mdadm at boot [still mystifying]

2011-03-10 Thread Chuck Munro
This is a bit long-winded, but I wanted to share some info Regarding my earlier message about a possible race condition with mdadm, I have been doing all sorts of poking around with the boot process. Thanks to a tip from Steven Yellin at Stanford, I found where to add a delay in the

Re: [CentOS] Race condition with mdadm at boot [still mystifying]

2011-03-10 Thread Les Mikesell
On 3/10/11 9:25 PM, Chuck Munro wrote: However, on close examination of dmesg, I found something very interesting. There were missing 'bindsd??' statements for one or the other hot spare drive (or sometimes both). These drives are connected to the last PHYs in each SATA controller ... in