Hot swapping is replacing components without significant interruption to the operation of the system.

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17
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10answers
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How do I make Linux recognize a new SATA /dev/sda drive I hot swapped in without rebooting?

Hot swapping out a failed SATA /dev/sda drive worked fine, but when I went to swap in a new drive, it wasn't recognized: [root@fs-2 ~]# tail -18 /var/log/messages May 5 16:54:35 fs-2 kernel: ata1: ...
12
votes
4answers
1k views

In which order do I plug the SATA power and data cables for hotplug?

I’ve found diverging instructions on the ’net about this. To recap: SATA with the 4-pin Molex (white) power plug is not hot-pluggable, but either the wide connector or the separate (15-pin power and ...
9
votes
2answers
247 views

Hot-remove memory in a Linux virtual machine

Linux supports hot-adding memory when running as a VM guest, in VMware for example. (Sometimes you need to manually inform the guest OS.) Is there a safe way to do the inverse operation — reducing ...
7
votes
7answers
7k views

Can I just remove a disk from a live RAID 1 array?

I've read the story about the manager taking out a disk from a RAID 5 array, and then a second one, but I’d just like to try out for myself what happens when I simply disconnect a disk from a live ...
7
votes
1answer
214 views

How can I tell if the server supports hot-swapping drives?

I recently purchased a used server (the type that fits into a rack, rather than a free-standing machine). One nice feature, is rather than having to open up the cover and unscrew the harddrives, this ...
5
votes
4answers
534 views

Backup options for a small business server

I'd like to create a server suitable for having a hot-spare disk, plus the capability to create full backup for removal off-site, say once a week. I am considering the HP ProLiant DL160 G6 (with hot ...
4
votes
4answers
495 views

Can any hard drive of the same format be put into a hot-swap tray?

I'm looking at buying a hot-swap NAS that supports SATA/SATA II hard drives. Can I get any SATA drive and put it into the hot-swap trays it comes with, or will I need to find a certain kind of drive? ...
4
votes
2answers
450 views

Is it Possible to Automatically Resilver a ZFS Array On Hotswap

I'm trying to learn about ZFS for a NAS I'm planning on building. I'm trying to understand if the following scenario would be possible to set up. Disclaimer: I know very little about ZFS, so forgive ...
4
votes
2answers
766 views

Hot-swap drive got new name, can I change it on-the-fly?

One of the HDDs in my server's RAID config failed, so I took it out of the array and had the data center hot-swap it. They've done that, but now the new drive is /dev/sdc rather than /dev/sda. I ...
4
votes
2answers
3k views

Enabling AHCI in RHEL5 post-install

I have two servers running RHEL 5.4 quite happily. However, through simple oversight, AHCI/hotswap support was not enabled in BIOS at install time and is now needed. The machines are running ICH10R ...
3
votes
3answers
3k views

Are all SAS drives hot-swappable?

Can get a 300GB Cheetah 15K SAS 3.5 disk for quite a bit cheaper through another supplier vs. Dell's out-of-warranty depot (for an aging PowerEdge server). Specs are identical, wondering if there's ...
3
votes
3answers
402 views

RAM hot-add HP Proliant - Esxi

I have to add some RAM to my HP Proliant DL385 g7 and I was wondering if I can hot-add the memory due to some mission critical VMs that I can't move because of lack of hardware. I use ESXi 5.5 as HV. ...
3
votes
2answers
6k views

Proliant DL360 Raid5 Hot Swap Drive

I have a DL360 G5 running WinSrvr2003 with a 3 drive (72GB) SAS Raid 5 array on P400i controller. The single array has two partitions. (OS and a data store) Drive 2 has failed and is off line (Amber ...
3
votes
2answers
6k views

Can I increase my Dell RAID 1 from 250GB to 500GB just by plugging in larger drives?

I have a Dell PowerEdge R300 with a Dell SAS 6/iR Internal Controller RAID PCIe and two 250GB SATA HDDs in RAID1 configuration. One of the HDDs has died so I want to swap it out for another. At the ...
3
votes
3answers
2k views

Can a failed SAS10K be hotswapped with a SAS15K?

I have a Dell Poweredge 1950 with 4 146Gb SAS 10K configured in RAID 10. One of em failed. Is it possible to hotswap it with a 146Gb+ SAS 15K (which i plan to nab from an unused HP proliant) ? If ...
3
votes
2answers
2k views

Hot swapping under RAID 1

I have a server that supports hot swapping (such as HP ProLiant DL160 G6 with hot swap) (spec) and I configure it for RAID 1 mirroring across 2 disks. Say one of the raid'ed disks then fails. Can I ...
3
votes
1answer
131 views

How can I have Linux execute a bash script when a specific disk is hotswapped in?

I have a set of hard drives which are rotated for offsite backup. There are several steps that need to be performed when one of the disks is reinserted which I've rolled into a simple bash script. ...
2
votes
5answers
2k views

Why is hotswap so much more expensive?

I am currently looking a building a server, and am comparing hardware. In particular I have been looking at hard drives. It seems like hotswap hard drives are significantly more expensive than normal ...
2
votes
3answers
107 views

Adding more drives to a drive array

I have a friend who has two servers, a Dell 1800 and an HP 350 ML G5, both have SAS drive arrays. The Dell is a 3.5" and the HP is a 2.5". They currently only have 3 drives in each array. We want ...
2
votes
2answers
5k views

How do I power SATA drives in my DELL poweredge 2850?

I have a Dell 2850 which I've been fairly happy with. It runs RAID 5 to 6 Hot-swap SCSI drives, but I'd like to add some cheap storage. So I bought an Intel PCI-X SATA raid card and tried to install ...
2
votes
4answers
1k views

Xen find VBD id for physical disks

I'm starting a xen domU using xm create config.cfg. Within the config file are a number of physical block devices (LVs) which are added to the guest and can be accessed fine when it boots. However, at ...
2
votes
2answers
11k views

hp smart array p400 - failed disk - hot spare

I am having an issue with a failed disk in a HP DL380 G5 smart array p400. The array setup is RAID 5, 7 disks + hot spare. One disk failed some weeks ago and the hot spare automatically took over, ...
2
votes
1answer
768 views

Hot swap failed software RAID drive with Windows Server 2008

Does Win2k8 natively handle hot-swapping of a hard drive? I have an existing server with 2 hard drives in it that are currently setup in a hardware RAID-1 configuration; they are each hot-swappable. ...
2
votes
1answer
281 views

Best practice on hot-swapping disk

I've been putting myself to find an learn more about the product before posting a question. Well, I've tried my luck and didn't got a proper answer to my questions. So I'm posting it here. Had an ...
2
votes
2answers
784 views

How to power off a hard drive to essentially “hot swap”

I'm looking for either freeware or the programming basics to power off/on a hard drive. Mounting and unmounting a hard drive is simple enough just using the command prompt in Windows XP. Now I need ...
2
votes
4answers
533 views

sata controller without raid support

I'm looking for a 4 ports pci or pci-express (not pci-x) sata controller with these features: - real hot swap support - no RAID support, or with RAID support that can be disabled through the ...
1
vote
1answer
219 views

Can I use SATA discs as a hot swap discs

My server supports hardware RAID and it can use SATA drives. I wonder does it depend on Server or on a Discs to know, if they support hot swapping? And rebuilding while working? I know that SAS ...
1
vote
2answers
2k views

Are there any tricks for installing a hot swap drive in a Poweredge 2900

I just bought a bought a couple of new drives from Dell for a Poweredge 2900 server. I installed them in the hot swap caddy and am attempting to install. My understanding is I can just remove the ...
1
vote
4answers
410 views

How “swappable” are RAID 1 drives?

My lab is considering setting up a server with an attached RAID device for storing our large imaging datasets. (probably a Mac Mini server with attached Promise SmartStor DAS w/ 4 1TB hard drives) ...
1
vote
2answers
452 views

MD3000i Hot Swap Drives

Are the drives needing to be hotswappable or does the SAN understand hotswap of any SATA/SAS drive?
1
vote
3answers
3k views

Solaris: detect hotswap SATA disk insert

What's the method used on Solaris to get the system to rescan for new disks that have been hot-plugged on a SATA controller? I've got an HP X1600 NAS which had 9 drives configred in a ZFS pool. I've ...
1
vote
2answers
264 views

When ordering SAS replacement drive, does the hot swappable enclosure matter?

I have a dell PowerEdge and need to replace one of the SAS drives in it. I noticed the supplier I order from does not sell a specific "DELL" SAS replacement drive, but they have what appear to be ...
1
vote
1answer
5k views

How to make Solaris rescan disk info after hotswap?

I'm running a SmartOS-based ZFS NAS, with a bunch of SATA disks directly connected to the logic board (no fancy disk controller / backplane or anything). A 1.5 TB disk in my zpool recently failed. ...
1
vote
2answers
2k views

Two failed disks in a RAID 10 Array. One hot-spare, active. What's the replacement sequence?

Given a hot-swappable 15 spindle RAID 10 array with two failed disks. There is one global hot spare, and it is actively "sparing" the first of the two failed disks. The array is running, but has no ...
1
vote
2answers
694 views

Safely remove a drive from eSATA hotswapable enclosure?

I have recently installed a Rosewill RSV-S5 eSATA RAID array on a Windows 2000 Server. I'm not using any RAID features - it is configured as 5 discrete drives (JBOD). The system is based on the ...
1
vote
2answers
379 views

Remove sata drive while running?

I have a hyperv 2012 r2 server, and the case has two bays where you can open a drawer and slide in a bare SATA drive. Theres a data and power connector at the back of the bay with cables to connect ...
1
vote
3answers
2k views

HDD with HP Proliant ML310e

I recently purchased a HP Proliant ML310e off PCNation.com as it seemed like a great deal. Come to find out, when I go to open up the case and install HDDs, the system is equiped with a ...
1
vote
2answers
213 views

Hot Swappable Root Partition in Ubuntu Server 10.04 LTS

My company runs small NAS boxes that we distribute into businesses and homes for personal or business networking use. These machines run Ubuntu Server 10.04 and are set to boot from a flash drive. The ...
1
vote
3answers
544 views

Hot swapping for Linux web/database servers

Is there a way to perform the following under Linux: There are two web servers, main and backup There are two database servers (postgres), main and backup Web Servers are in sync with each other, ...
1
vote
1answer
1k views

Does Dell's PERC S100 RAID controller support hot-swapping?

I have a Dell Poweredge R310 w/ a PERC S100 RAID controller, and want to replace & add HDDs. The R310 backplane itself clearly supports hot-swapping, but I can't figure out if the PERC S100 ...
1
vote
1answer
542 views

PowerEdge 2900. Want to use as a SAS wiping server, and skip Raid configuration for each drive. Possible?

I've got a Dell PowerEdge 2900 with 8 SAS slots in the front. I want to be able to load drives quickly without setting them up in RAID. We have a pile of about 50 SAS drives that need to be wiped. Is ...
1
vote
1answer
211 views

SATA card with good hotswap ability

I'm building a Win2k8 backup machine with a removable SATA drive enclosure. The idea is that each week someone will pull out a drive and pop another one in. I need this to work without having to ...
1
vote
1answer
177 views

connecting HP gen 5 SAS raid cage to a third party (3ware, LSI) controller?

I have a ML350 G5 that I'm thinking of repurposing to save money. I'm looking to install FreeNAS but it (ZFS) doesn't play nice with the HP e200i card that's part of the motherboard from what I've ...
1
vote
1answer
1k views

hot plug sata to ESXi 5 server

Is it possible to hot plug an eSATA drive to an ESXi 5 server? I'm exploring backup solutions and hoping to hot add a datastore, copy my VM's over, then hotunplug.
1
vote
2answers
782 views

add space to virtual disk on vmware

I have a VMWare Server 3.5 system with 2 VMs. On one powered on vm I changed the disk size from 1TB to 1,5TB. But the vm didn't see any new unallocated space so that I reboot twice the server. But ...
1
vote
0answers
761 views

renaming hard drives (sdc to sdb) on the fly

ata2: link is slow to respond, please be patient (ready=0) kernel: [2761026.198796] ata2: soft resetting link kernel: [2761031.226669] ata2.00: disabled kernel: [2761031.226720] ata2: EH complete ...
1
vote
2answers
138 views

Can drive swapping break a win7 system image backup?

I've got a friend with a 1tb raid10 and 2 separate hot swappable 1tb drives runnin win7 ultimate. I created a scheduled task that would create a system image backup of the main raid array to the 1tb ...
0
votes
2answers
4k views

Replace faulty harddrive in Proliant DL180 G6

I have a Proliant DL180 G6 server with a Smart Array P410 controller. One of the hard drives lights amber, but the server is still running perfect. It is running RAID5 or 6 (don't remember). Now, can ...
0
votes
5answers
2k views

Using Hot swap drive to backup on daily basis

Hot swapping and hot plugging are terms used to describe the functions of replacing computer system components without shutting down the system. In all the articles it was mentioned during some system ...
0
votes
2answers
1k views

move raid hard drives between different servers, preserving data [duplicate]

Possible Duplicate: Move raided hard drives between identical servers, preserving data I'm a server beginner working with a Sun x4600 and an IBM x3650. In the event that one of them dies, I ...