opps forgot the list

Definatly the disk...

[jeff@nas ~]$dd if=/dev/zero of=/mnt/sdj/bonnie/test.tmp bs=4k
count=2000000 && sync && dd if=/dev/zero of=/mnt/sdd/bonnie/test.tmp
bs=4k count=2000000 && sync

2000000+0 records in
2000000+0 records outDefinatly the disk...

[jeff@nas ~]$dd if=/dev/zero of=/mnt/sdj/bonnie/test.tmp bs=4k
count=2000000 && sync && dd if=/dev/zero of=/mnt/sdd/bonnie/test.tmp
bs=4k count=2000000 && sync

2000000+0 records in
2000000+0 records out
8192000000 bytes (8.2 GB) copied, 231.778 s, 35.3 MB/s <-- WD Green
RMA I got back yesterday.

2000000+0 records in
2000000+0 records out
8192000000 bytes (8.2 GB) copied, 1818.18 s, 4.5 MB/s <-- Dud one.
8192000000 bytes (8.2 GB) copied, 231.778 s, 35.3 MB/s <-- WD Green
RMA I got back yesterday.

2000000+0 records in
2000000+0 records out
8192000000 bytes (8.2 GB) copied, 1818.18 s, 4.5 MB/s <-- Dud one.

On 21 March 2014 11:40, Jeff Allison <jeff.alli...@allygray.2y.net> wrote:
> Definatly the disk...
>
> [jeff@nas ~]$dd if=/dev/zero of=/mnt/sdj/bonnie/test.tmp bs=4k
> count=2000000 && sync && dd if=/dev/zero of=/mnt/sdd/bonnie/test.tmp
> bs=4k count=2000000 && sync
>
> 2000000+0 records in
> 2000000+0 records out
> 8192000000 bytes (8.2 GB) copied, 231.778 s, 35.3 MB/s <-- WD Green
> RMA I got back yesterday.
>
> 2000000+0 records in
> 2000000+0 records out
> 8192000000 bytes (8.2 GB) copied, 1818.18 s, 4.5 MB/s <-- Dud one.
>
> On 20 March 2014 13:15, Jeff Allison <jeff.alli...@allygray.2y.net> wrote:
>> I'm watching the format running and the write speed still seems limited to 
>> 4MB/s
>>
>> I'll run some tests when it finally gets formatted.
>>
>> Perhaps a dud disk?
>>
>> On 20 March 2014 11:42, Jeff Allison <jeff.alli...@allygray.2y.net> wrote:
>>> Yeah started to do that last night got sidetracked...
>>>
>>> On 20 March 2014 11:42, Jake Anderson <ya...@vapourforge.com> wrote:
>>>> It is slower than I'd think it should be, but like I said, you should ask 
>>>> on
>>>> a mdadm list for advice from people who will really know.
>>>>
>>>>
>>>> On 20/03/14 11:25, Jeff Allison wrote:
>>>>>
>>>>> So is 4MB/s acceptable? for 4x2TB raid 5 resync?
>>>>>
>>>>> On 20 March 2014 10:59, Jake Anderson <ya...@vapourforge.com> wrote:
>>>>>>
>>>>>> I'll wager its mostly due to not needing to resize and re-parity one
>>>>>> drive.
>>>>>>
>>>>>>
>>>>>> On 20/03/14 10:58, Jeff Allison wrote:
>>>>>>>
>>>>>>> I failed the suspect disk out of the array and now the rebuild is
>>>>>>> 16000K/sec 4x faster.
>>>>>>>
>>>>>>> Strange.
>>>>>>>
>>>>>>> Time to do some disk testing...
>>>>>>>
>>>>>>> On 19 March 2014 14:59, Jeff Allison <jeff.alli...@allygray.2y.net>
>>>>>>> wrote:
>>>>>>>>
>>>>>>>> I ran hdparm...
>>>>>>>>
>>>>>>>> [root@nas ~]# hdparm -tT /dev/sdd <-- dud disk
>>>>>>>>
>>>>>>>> /dev/sdd:
>>>>>>>>    Timing cached reads:   2318 MB in  2.00 seconds = 1158.86 MB/sec
>>>>>>>>    Timing buffered disk reads:   2 MB in 25.35 seconds =  80.79 kB/sec
>>>>>>>>
>>>>>>>> [root@nas ~]# hdparm -tT /dev/sdc <-- good disk
>>>>>>>>
>>>>>>>> /dev/sdc:
>>>>>>>>    Timing cached reads:   2470 MB in  2.00 seconds = 1234.85 MB/sec
>>>>>>>>    Timing buffered disk reads: 296 MB in  3.01 seconds =  98.35 MB/sec
>>>>>>>>
>>>>>>>> Not much in it.
>>>>>>>>
>>>>>>>> On 19 March 2014 14:23, Jeff Allison <jeff.alli...@allygray.2y.net>
>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>> The disk sector sizes are the same on all the disks.
>>>>>>>>>
>>>>>>>>> Logical  Sector size:                   512 bytes
>>>>>>>>> Physical Sector size:                  4096 bytes
>>>>>>>>>
>>>>>>>>> Is chunk size stripe size?
>>>>>>>>>
>>>>>>>>> [root@nas ~]# mdadm --detail /dev/md0
>>>>>>>>> /dev/md0:
>>>>>>>>>           Version : 1.2
>>>>>>>>>     Creation Time : Fri Feb 21 09:33:55 2014
>>>>>>>>>        Raid Level : raid5
>>>>>>>>>        Array Size : 3905985536 (3725.04 GiB 3999.73 GB)
>>>>>>>>>     Used Dev Size : 1952992768 (1862.52 GiB 1999.86 GB)
>>>>>>>>>      Raid Devices : 4
>>>>>>>>>     Total Devices : 4
>>>>>>>>>       Persistence : Superblock is persistent
>>>>>>>>>
>>>>>>>>>       Update Time : Wed Mar 19 14:22:35 2014
>>>>>>>>>             State : clean, reshaping
>>>>>>>>>    Active Devices : 4
>>>>>>>>> Working Devices : 4
>>>>>>>>>    Failed Devices : 0
>>>>>>>>>     Spare Devices : 0
>>>>>>>>>
>>>>>>>>>            Layout : left-symmetric
>>>>>>>>>        Chunk Size : 512K
>>>>>>>>>
>>>>>>>>>    Reshape Status : 28% complete
>>>>>>>>>     Delta Devices : 1, (3->4)
>>>>>>>>>
>>>>>>>>>              Name : nas.allygray.2y.net:0  (local to host
>>>>>>>>> nas.allygray.2y.net)
>>>>>>>>>              UUID : 1a122cbe:ada65085:680e451c:180c7689
>>>>>>>>>            Events : 21723
>>>>>>>>>
>>>>>>>>>       Number   Major   Minor   RaidDevice State
>>>>>>>>>          0       8       17        0      active sync   /dev/sdb1
>>>>>>>>>          1       8       33        1      active sync   /dev/sdc1
>>>>>>>>>          3       8        1        2      active sync   /dev/sda1
>>>>>>>>>          4       8       49        3      active sync   /dev/sdd1
>>>>>>>>>
>>>>>>>>> When I created the partitions I used the -a optimal which I thought
>>>>>>>>> sorted that?
>>>>>>>>>
>>>>>>>>> On 19 March 2014 14:11, Jake Anderson <ya...@vapourforge.com> wrote:
>>>>>>>>>>
>>>>>>>>>> its probably *madly* seeking which is why its so slow.
>>>>>>>>>> I wonder, what is the block size you are using on the disk and the
>>>>>>>>>> stripe
>>>>>>>>>> size of your array?
>>>>>>>>>>
>>>>>>>>>> If you are read modify writing a 4K disk in 512k blocks it'll be dog
>>>>>>>>>> slow.
>>>>>>>>>>
>>>>>>>>>> On 19/03/14 14:00, Jeff Allison wrote:
>>>>>>>>>>>
>>>>>>>>>>> The thing I find strange is that in iostat the disk shows as 100% at
>>>>>>>>>>> 3/4
>>>>>>>>>>> MB/s.
>>>>>>>>>>>
>>>>>>>>>>> I wonder how iostat decides on the percent?
>>>>>>>>>>>
>>>>>>>>>>> On 19 March 2014 10:53, Jake Anderson <ya...@vapourforge.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>> This isn't going to be an issue with sata vs whatever (though I do
>>>>>>>>>>>> suggest
>>>>>>>>>>>> running in ahci mode if thats an option)
>>>>>>>>>>>>
>>>>>>>>>>>> The issue is probably going to be how mdadm is growing the array,
>>>>>>>>>>>> it
>>>>>>>>>>>> will
>>>>>>>>>>>> need to do a buttload of disk access to do that reading and writing
>>>>>>>>>>>> every
>>>>>>>>>>>> sector on every disk and trying to keep everything in a consistent
>>>>>>>>>>>> state
>>>>>>>>>>>> while doing so.
>>>>>>>>>>>>
>>>>>>>>>>>> I don't know if it applies to whatever raid level you are using but
>>>>>>>>>>>> is
>>>>>>>>>>>> there
>>>>>>>>>>>> something like an --assume-clean option you can pass it?
>>>>>>>>>>>> I'd also suggest asking in the mdadm list or perhaps IRC.
>>>>>>>>>>>> http://forums.whirlpool.net.au/archive/1056831 might be of
>>>>>>>>>>>> interest.
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> On 18/03/14 20:02, Rachel Polanskis wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>> On 18 Mar 2014, at 6:46 pm, Jeff Allison
>>>>>>>>>>>>> <jeff.alli...@allygray.2y.net>
>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>> That's installed unfortunately didn't fix my problem. How badly
>>>>>>>>>>>>> configured
>>>>>>>>>>>>> does a disk need to be to only run at 4mb
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> Sorry for the suck eggs question, but you did enable all the
>>>>>>>>>>>>> features in
>>>>>>>>>>>>> the BIOS e.g. turning on SATA II 3gbps support,
>>>>>>>>>>>>> write cache disable etc?   In the URL link to the forum below they
>>>>>>>>>>>>> discuss
>>>>>>>>>>>>> all the optimum settings.  I am using
>>>>>>>>>>>>> WD RED NAS drives (2x2tb) and Seagate 3Tb drives (latest model) in
>>>>>>>>>>>>> my
>>>>>>>>>>>>> system so similar to yours....
>>>>>>>>>>>>>
>>>>>>>>>>>>> rachel
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> On 18/03/2014 3:43 PM, "Rachel Polanskis" <gr...@exemail.com.au>
>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>> On 18 Mar 2014, at 3:14 pm, Jeff Allison
>>>>>>>>>>>>> <jeff.alli...@allygray.2y.net>
>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>> Is it the O41072911.ROM?
>>>>>>>>>>>>>
>>>>>>>>>>>>> Did you use flashrom of the dos disk thingo.
>>>>>>>>>>>>>
>>>>>>>>>>>>> On 18 March 2014 14:06, gr0ve <gr...@exemail.com.au> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Seriously, you should flash the BIOS!  I get 80mbps reads on ZFS
>>>>>>>>>>>>>> and depending, 30-40mbps on writes.  Without the BIOS mod, you
>>>>>>>>>>>>>> are getting only IDE speeds there.  The original BIOS holds this
>>>>>>>>>>>>>> machine
>>>>>>>>>>>>>> back and it is perfectly safe.  The BIOS ensures AHCI support is
>>>>>>>>>>>>>> operational
>>>>>>>>>>>>>> as well as the 3gbps SATA II bus. Once you see the improvement,
>>>>>>>>>>>>>> you
>>>>>>>>>>>>>> can choose to also select write cache enabled|disabled although
>>>>>>>>>>>>>> this is best with a UPS ;)
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> rachel
>>>>>>>>>>>>>
>>>>>>>>>>>>> Hi,
>>>>>>>>>>>>> The HP BIOS version is the O41072911.ROM as you suggest.
>>>>>>>>>>>>> You need this to install the "theBay" ROM as well.
>>>>>>>>>>>>>
>>>>>>>>>>>>> The process is shown online, but in short you copy the HP BIOS
>>>>>>>>>>>>> using
>>>>>>>>>>>>> a
>>>>>>>>>>>>> DOS/windows installer to a USB stick then copy the "theBay" rom
>>>>>>>>>>>>> image
>>>>>>>>>>>>> over
>>>>>>>>>>>>> the
>>>>>>>>>>>>> top. You could try to "dd" the image but it does some weird
>>>>>>>>>>>>> trickery
>>>>>>>>>>>>> to
>>>>>>>>>>>>> make
>>>>>>>>>>>>> the stick bootable for installing the BIOS.
>>>>>>>>>>>>>
>>>>>>>>>>>>> You can look for TheBay_Microserver_Bios_041.rar online.
>>>>>>>>>>>>> The source information is:
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> http://www.avforums.com/threads/hp-n36l-n40l-n54l-microserver-updated-ahci-bios-support.1521657/
>>>>>>>>>>>>>
>>>>>>>>>>>>> And it has all the guff on getting the BIOS onto your N54L and
>>>>>>>>>>>>> also
>>>>>>>>>>>>> tips
>>>>>>>>>>>>> on how to configure it.
>>>>>>>>>>>>> I have all the files if you need them....
>>>>>>>>>>>>>
>>>>>>>>>>>>> Once again, these are terrific little servers.  It has an internal
>>>>>>>>>>>>> USB
>>>>>>>>>>>>> port so I just loaded FreeNAS
>>>>>>>>>>>>> onto an 8Gb USB stick and boot from there.  All the internal SATA
>>>>>>>>>>>>> disks
>>>>>>>>>>>>> are in ZFS disk pools which
>>>>>>>>>>>>> do my bidding. As I use ZFS, I went with 8gb ECC memory. I also
>>>>>>>>>>>>> added an
>>>>>>>>>>>>> additional Gigabit Ethernet adaptor as the built in broadcom is
>>>>>>>>>>>>> general
>>>>>>>>>>>>> networking and I run the second Gig-E port with Jumbo Frames using
>>>>>>>>>>>>> a
>>>>>>>>>>>>> gigabit
>>>>>>>>>>>>> crossover (there is such a thing)
>>>>>>>>>>>>> to a Mac Mini with the thunderbolt port running Gig-E and doing
>>>>>>>>>>>>> iSCSI!
>>>>>>>>>>>>> The Mac Mini runs esxi 5.5 and
>>>>>>>>>>>>> all the data stores (running various species of Linux) hosted off
>>>>>>>>>>>>> the
>>>>>>>>>>>>> HP-N54L.  It is like a little tiny
>>>>>>>>>>>>> SAN, small but perfectly formed....
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> rachel
>>>>>>>>>>>>>
>>>>>>>>>>>>> --
>>>>>>>>>>>>> Rachel Polanskis                 Kingswood, Greater Western
>>>>>>>>>>>>> Sydney,
>>>>>>>>>>>>> Australia
>>>>>>>>>>>>> gr...@exemail.com.au             IT consulting, security,
>>>>>>>>>>>>> programming
>>>>>>>>>>>>>             The more an answer costs, the more respect it carries.
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> --
>>>>>>>>>>>>> Rachel Polanskis                 Kingswood, Greater Western
>>>>>>>>>>>>> Sydney,
>>>>>>>>>>>>> Australia
>>>>>>>>>>>>> gr...@exemail.com.au             IT consulting, security,
>>>>>>>>>>>>> programming
>>>>>>>>>>>>>            The more an answer costs, the more respect it carries.
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>> --
>>>>>>>>>>>> SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/
>>>>>>>>>>>> Subscription info and FAQs:
>>>>>>>>>>>> http://slug.org.au/faq/mailinglists.html
>>>>>>>>>>
>>>>>>>>>>
>>>>
-- 
SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/
Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html

Reply via email to