Re: High iowait

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


jassduec@xxxxxxxxx wrote:
Basically i am not able to achieve the kind of throughput which i
should get from my RAID system. And i think the OS is the culprit
(some bug in the vendor kernel) since for some reason it goes into
huge iowaits preventing the applications to read/write more data. How
can i debug whether the problem is with the OS or with the device?

#1 Problem usually: Is DMA enabled? (see hdparm refs)...

RAID FAQ & Docs...

mdadm - tool for managing Linux Software RAID arrays

Benchmarking RAID configurations

HOWTO Use hdparm to improve IDE device performance - GentooWiki
HDparm - Tuning up your IDE hard disks using hdparm.


Art Wildman - NWS JAX FL. -
"If you choose not to decide, you still have made a choice" -Rush|Freewill
To unsubscribe from this list: send the line "unsubscribe linux-config" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at

[Index of Archives]     [Audio]     [Linux Console]     [Hams]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Samba]     [Fedora Users]

  Powered by Linux