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tomfisher
n00b
Joined: 13 Apr 2004
Posts: 1
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 Posted: Tue Apr 13, 2004 4:42 am Post subject: |
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You can read howto about adaptec i2o cards and Linux 2.6 kernels
at http://smartcgi.com/docs/kernel26_adaptec.html
has been tested at production server
| pilotet wrote: | I've kernel 2.6.0 but... I don't find this options. Only:
<M> I2O support
<M> I2O PCI support
< > I2O Block OSM
<M> I2O /proc support
Thanks
| taskara wrote: | hey.. do u know where the option is in the kernel ?
this is 3ware
| Code: | | <*> 3ware Hardware ATA-RAID support |
guess for adaptec you need:
| Code: | | < > Adaptec I2O RAID support |
and maybe | Code: | | < > Adaptec AACRAID support (EXPERIMENTAL) |
??
if it were me I'd pay the extra and go the 3ware!  |
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sunwukong
n00b
Joined: 22 Mar 2004
Posts: 20
Location: Alberta, Canada
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| Posted: Tue Apr 13, 2004 3:25 pm Post subject: |
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| tomfisher wrote: | You can read howto about adaptec i2o cards and Linux 2.6 kernels
at http://smartcgi.com/docs/kernel26_adaptec.html
has been tested at production server
| pilotet wrote: | I've kernel 2.6.0 but... I don't find this options. Only:
<M> I2O support
<M> I2O PCI support
< > I2O Block OSM
<M> I2O /proc support
Thanks
| taskara wrote: | hey.. do u know where the option is in the kernel ?
this is 3ware
| Code: | | <*> 3ware Hardware ATA-RAID support |
guess for adaptec you need:
| Code: | | < > Adaptec I2O RAID support |
and maybe | Code: | | < > Adaptec AACRAID support (EXPERIMENTAL) |
??
if it were me I'd pay the extra and go the 3ware! |
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A few things to note:
1. The link in the SmartCGI page seems to be dead/protected -- try the original instead. This seems to be the patch used by the gentoo sources maintainers propogated all the way up to gentoo-dev-sources-2.6.5.
2. I'm currently running gentoo-dev-sources-2.6.5 as well (with an Adaptec/DPT 2400A RAID card) but I'm using a recent build from the driver maintainer mentioned in this kernel bug thread. Note that using this driver requires patching the Makefile in drivers/scsi as well.
3. It's also been mentioned before, that the I2O drivers interfere with the dpt_i2o drivers -- this pissed me off no end until I found this out. |
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sunwukong
n00b
Joined: 22 Mar 2004
Posts: 20
Location: Alberta, Canada
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| Posted: Fri Apr 16, 2004 6:39 pm Post subject: |
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| sunwukong wrote: | | 2. I'm currently running gentoo-dev-sources-2.6.5 as well (with an Adaptec/DPT 2400A RAID card) but I'm using a recent build from the driver maintainer mentioned in this kernel bug thread. Note that using this driver requires patching the Makefile in drivers/scsi as well. |
I've just installed the gentoo-dev-sources-2.6.5-r1 kernel (which has a patch for this bug). It seems to be using the version of the driver I manually installed above, but the Makefile hasn't been patched to compile drivers/scsi/dpti2oscsi2.c (I've done it myself again). Just a quick look at the source seems to imply this code is required for dpt_i2o.c .... perhaps these symbols are defined elsewhere? |
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carpman
Advocate
Joined: 20 Jun 2002
Posts: 2202
Location: London - UK
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| Posted: Wed Jul 14, 2004 10:04 pm Post subject: |
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Any update on this is as i am about to build server with adaptec 2410sa and 3 74gb raptors.
_________________
Work Station - 64bit
Gigabyte GA X48-DQ6 Core2duo E8400
8GB GSkill DDR2-1066
SATA Areca 1210 Raid
BFG OC2 8800 GTS 640mb
--------------------------------
Notebook
Samsung Q45 7100 4gb |
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trossachs
Veteran
Joined: 22 Jan 2004
Posts: 1204
Location: London
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| Posted: Sat Dec 04, 2004 10:12 pm Post subject: |
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| Where can you buy 3Ware in the UK? Looks like I'm going to have to stump up the cash for this one. |
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mattc
n00b
Joined: 26 May 2003
Posts: 25
Location: Norderstedt, Germany
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| Posted: Thu Jan 20, 2005 2:22 pm Post subject: Binned the 1200A and bought a 3ware 8006 |
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I've had my Adaptec 1200A working very well under 2.4 kernels....
I then upgraded to 2.6 Mid last year when Highpoint release the new
drivers that support 2.6 kernel. All was well until 2.6.10. Now the highpoint
driver is relally unstable (to the point of filesystem hangs, data corruption) 
So I finally relented and bought 3ware 8006LP RAID controller and 2 x Samsung 160GB SATA drives (they are real quiet and fast thanks to the dynamic fluid bearings  ). One quick modprobe, a cfdisk, mkfs and a mount later and I have a reliable RAID (2 weeks intensive soak test --> streaming video to and from the disk via NFS/Samba and direct) So far no crashes, hangups or corruptions.....
Conclusion:
Worst Computer Purchase in the Last 5 years: Adaptec 1200A (EUR 60)
Best Computer Purchase in the Last 5 years: 3ware 8006-2 (EUR 120)
It seems you really only get what you pay for !!
Matt |
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trossachs
Veteran
Joined: 22 Jan 2004
Posts: 1204
Location: London
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| Posted: Thu Jan 20, 2005 3:23 pm Post subject: |
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| 3Ware 7000-6 here. Decided to grit my teeth and spend the money! Never looked back. |
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xanthein
n00b
Joined: 11 Apr 2004
Posts: 13
Location: London, UK
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| Posted: Wed May 11, 2005 5:55 pm Post subject: |
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I've just bought a 3Ware card in the UK. I got mine from TMC - http://www.tmc-uk.com/ but that was because I was buying a Supermicro 1U server from them too. Should all arrive tomorrow, and then it's play time
Another place you can get them is Chilblast - http://www.chillblast.com/ although I've not bought from them.
Cheers,
Jon.
_________________
matrix# reload
Proceed with reload? [confirm]
Connection closed by foreign host. |
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ben_dash
Apprentice
Joined: 12 Aug 2003
Posts: 239
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| Posted: Sun Jan 07, 2007 5:04 am Post subject: |
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I'm thinking about getting an Adaptec 2400A to use with 3 (or maybe even 5 but I'll have to get the 8 port card then) Seagate 750GB drives in RAID 5 and was curious what the current 2.6 kernel status is as regards I2O patching.
Do you still need to manually patch gentoo-dev-sources-2.6?
I see that the Adaptec 2400A has 48bit LBA but can it support 5 750GB drives in RAID 5?
Does the 3Ware Escalade 7506-4 support 48bit LBA?
Will the 3Ware handle 4 750GB drives?
Any info greatly appreciated, thanks in advance,
Ben |
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trossachs
Veteran
Joined: 22 Jan 2004
Posts: 1204
Location: London
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| Posted: Sun Jan 07, 2007 11:01 am Post subject: |
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| I have a 2U server to start building soon add to the other 2. Will be looking at 3ware again. First time I'll be using SATA drives. Should be fun. Still no GUI for my boxes though, all CLI! |
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ben_dash
Apprentice
Joined: 12 Aug 2003
Posts: 239
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| Posted: Sun Jan 07, 2007 10:01 pm Post subject: |
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I'd really like to go with 3Ware but I'm confused about the maximum size specifications; "Supporting up to 3.6TB of storage per controller (dependent on drive capacity, 2TB per array maximum.)"
If I have 4 750GB drives that's 3TB, 3 750GB drives is 2.25TB, so it sounds like it's not going to work... errr... maybe(?)
If anyone knows what "Supporting up to 3.6TB of storage per controller (dependent on drive capacity, 2TB per array maximum.)" actually means please let me know,
Thanks! |
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trossachs
Veteran
Joined: 22 Jan 2004
Posts: 1204
Location: London
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| Posted: Mon Jan 08, 2007 10:40 am Post subject: |
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| Perhaps you should also send off an email to their tech support dept, they will be able to tell you directly and advise which product best suits your configuration. |
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ben_dash
Apprentice
Joined: 12 Aug 2003
Posts: 239
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| Posted: Tue Jan 09, 2007 2:35 am Post subject: |
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I read the manual and figure out what the 2TB limit meant. It means that I could buy a 8 port card and run 2 1.5 TB 3 HDD RAID 5 Arrays plus run the remaining 2 ports as a 1.5TB RAID0 array, as long as none of the arrays are more that 2TB.
I just learned that the 9500 will work on a 32bit PCI slot so I've devided to go SATA instead of PATA and get the 9500 instead.
What a learning experience the past few days have been! |
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deadeyes
Tux's lil' helper
Joined: 25 May 2007
Posts: 83
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| Posted: Sun Feb 10, 2008 8:53 pm Post subject: |
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| darrylbleau wrote: | I found some more info on this, thought I'd post here for anyone else who might have the same questions I did.
The 3ware cards seem to work great from what I found. Seems like all of them are true hardware RAID cards.
The adaptec 1200/1210 RAID cards are really just controllers (IDE and SATA, respectively). The 'RAID' part is software only, as I suspected.
The adaptec 2400/2410 RAID cards are true hardware RAID, and are supported right in the kernel as a SCSI device (much like the 3ware cards). There's a good site here about the whole thing: http://www.pab-opto.de/hwtests/raid/2400a/. Seems the 2400 appears as standard SCSI disk and nothing should be disturbed by the RAID (transparent to programs).
Hopefully this post might help someone else in the future. Post here if it did! |
thanks for this info
On the website of adaptec it is not clear at all if the 2410 is hardware or software.
But the big chip did me think it was hardware.
It is also recognized by FreeBSD kernel which is great:D
In a few days I have this card and will let you know (fyi) if it works smooth. |
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Kernel & Hardware
