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1
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1answer
33 views

9211-8i HBA (IT mode) with Supermicro expander

I have managed to get things to a point that I see all my drives listed with "multipath -l". Now the question is how to add them to a ZFS zpool? All attempts at using dm* naming or /dev/mapper names ...
0
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2answers
36 views

A backup system alone: tower or rack chasis?

We'll install a backup system in following possible configurations: two servers in cluster with a SAS JBOD attached to them one server with the same JBOD in back However I'm thinking if really is ...
1
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0answers
53 views

3ware 9500S-4LP raid-1 rebuild failed

After replacment of 2 failed drives on 3ware card i got this: Ctl Model (V)Ports Drives Units NotOpt RRate VRate BBU ...
-4
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1answer
35 views

Good way to get HDD in a large logical disk. *7 Discs of different sizes [closed]

Basically I would like to have one large logical disk. Data security is important, but not critially. Typically I would like something like 1st prize: Raid 5 2nd prize: Loosing all data on failed ...
1
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1answer
102 views

HP Smart Array accessing a physical drive when the controller believes it's failing

Is it possible to somehow access the raw block device hiding behind a HP SmartArray controller? I have a JBOD disk connected through a SmartArray, and the second the controller thinks it's failing it ...
1
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3answers
81 views

Simple way to extend server disk capacities

What's the least cumbersome way to extend existing server's storage capabilities? I have a SuperMicro custom server and a Dell PowerEdge 2950 and I would like to extend their storage with budget hard ...
26
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2answers
4k views

Why are enterprise SAS disk enclosures seemingly so expensive?

I will begin by stating that I do not believe this is a duplicate of Why is business-class storage so expensive?. My question is specifically about SAS drive enclosures, and justifying their expense. ...
0
votes
0answers
137 views

Intel 1200BTS only sees 15 out of 20 drives on Areca card in JBOD?

I am setting up a NAS device using an Intel 1200 BTSR motherboard and an Areca 24 port SATA/SAS card. Booting up into the Areca card's BIOS, I'm able to see all 20 drives that I have configured in ...
3
votes
1answer
202 views

Can I cascade 2 HP MSA60 enclosures and create a RAID1+0 array over all disks

I have a DL380 G5 (p411 SmartArray Controller) with a single loaded MSA60 (12x2TB SATA)and am purchasing a 2nd to cascaded as illustrated above. If I do this with identical disks (another 12x2TB SATA) ...
0
votes
2answers
219 views

Preventing h/w RAID cards from dropping slow JBOD disks

I'm considering buying a used SAS h/w RAID card for externally attaching HDDs to an HP ProLiant I'm setting up. However, I only require RAID functionality on some of the drives. Theoretically it ...
1
vote
2answers
294 views

Strategies for detecting corruption in Greyhole pools [closed]

Are there any good strategies for proactively detecting data corruption in a Greyhole pool. Suppose the following chain of events happens. c:\> copy swiss_bank_account.txt ...
0
votes
3answers
2k views

3WARE 9650-4LPML JBOD DISK to RAID - 1 Mirror Migration How To?

It is possible to migrate a single disk, to Raid 1 as per Table 10 in the User Guide Page 122: http://www.3ware.com/support/UserDocs/3ware9650SE-UsrGuide.pdf I am trying to find what the best method ...
4
votes
4answers
2k views

SAS Expanders for DIY JBOD Arrays

I am researching making a DIY SAS array much like the Dell MD1000. My understanding is that these devices do not contain a RAID controller, instead they present all the drives on in SAS domain to the ...
2
votes
4answers
249 views

Why should I choose an Enterprise Storage Vendor?

I have been basically psyched out by some of the sales consultants from enterprise vendors such as EMC and NetApp. We have a new requirement to store around 30 TB of unstructured data, and around ...
2
votes
3answers
4k views

Hadoop JBOD disk configuration on HP Smart Array 410/i disk controller

I'm in a evaluation phase of some hw that could be used for setting up a hadoop cluster. This hw is refurbished (hp G6 servers w/ Smart Array 410/i controller) and probably we should/must use it... we ...
1
vote
3answers
1k views

btrfs: can i create a btrfs file system with data as jbod and metadata mirrored

I am trying to build a server that will be my NAS/Media server as well a the XBMC front end. I am planning on using Ubuntu with btrfs for the NAS part of it. The current setup consists of 1TB hdd ...
0
votes
2answers
644 views

Rosewill RSV-S5 and it's transferespeeds

I have just bought a Rosewill RSV-S5, I have installed 5x1,5Tb Western Digital Green disks in it. After that have I created a Raid5 on them all with the software that followed with the hardware. Not ...
0
votes
1answer
128 views

Rosewill RSV-S5 and WIndows Server 2008 RC2 Software Raid

I have just bought a Rosewill RSV-S5 http://www.newegg.com/Product/Product.aspx?Item=N82E16816132015 because i want to move the hardisks out of my case. I have 5 disks now in a software raid 5, made ...
0
votes
3answers
252 views

Is it possible (and how if it is) dump two concatenaded disks in a new disk using DD?

I have a Lacie enclosure that has a setup with 2 500gb disks configured as 1 drive of 1TB, the only partition created for the whole drive is HFS+ journaled, but the controller in the enclosure is gone ...
2
votes
2answers
942 views

Can I get redundancy with a JBOD storage subsystem

I have a Promise Technology J610S. This is a JBOD subsystem. Is it possible for me to buy a SAS hardware RAID controller and provide some type of redundancy for these drives? I am unsure whether I ...
3
votes
3answers
3k views

LVM spanning over multiple disks: What disk is a file on? Can I lose a drive without total loss?

I have three 990GB partitions over three drives in my server. Using LVM, I can create one ~3TB partition for file storage. 1) How does the system determine what partition to use first? 2) Can I find ...