Re: I'm installling a system

2000-06-23 Thread Mike Black
sed. Michael D. Black Principal Engineer [EMAIL PROTECTED] 321-676-2923,x203 http://www.csihq.com Computer Science Innovations http://www.csihq.com/~mike My home page FAX 321-676-2355 - Original Message - From: "Diegmueller, Jason (I.T. Dept)" <[EMAIL PROTECTED]&g

Re: I'm installling a system

2000-06-23 Thread Mike Black
er Science Innovations http://www.csihq.com/~mike My home page FAX 321-676-2355 - Original Message - From: "Marco Shaw" <[EMAIL PROTECTED]> To: "Dimitri SZAJMAN" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Friday, June 23, 2

Re: Patches for 2.2.16?

2000-06-09 Thread Mike Black
Engineer [EMAIL PROTECTED] 321-676-2923,x203 http://www.csihq.com Computer Science Innovations http://www.csihq.com/~mike My home page FAX 321-676-2355 - Original Message - From: "Theo Van Dinter" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, June 08, 200

Re: Patch for 2.2.16?

2000-06-08 Thread Mike Black
[EMAIL PROTECTED] 321-676-2923,x203 http://www.csihq.com Computer Science Innovations http://www.csihq.com/~mike My home page FAX 321-676-2355 - Original Message - From: "Marc Delisle" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, June 08, 2000 11:02

Re: adaptec 2940u2w hangups

2000-04-19 Thread Mike Black
ntial-AccessANSI SCSI revision: 02 Michael D. Black Principal Engineer [EMAIL PROTECTED] 321-676-2923,x203 http://www.csihq.com Computer Science Innovations http://www.csihq.com/~mike My home page FAX 321-676-2355 - Original Message - From: <[EMAIL P

Re: The meaning of this?

2000-04-17 Thread Mike Black
rectly flushing all the tables. Michael D. Black Principal Engineer [EMAIL PROTECTED] 321-676-2923,x203 http://www.csihq.com Computer Science Innovations http://www.csihq.com/~mike My home page FAX 321-676-2355 - Original Message - From: "Cal Thixton - P

Re: aic7xxx interrupt sharing - was RE: current RAID state-of-the-art?

2000-04-16 Thread Mike Bilow
Heinz Christian wrote: > > > From: Mike Bilow[SMTP:[EMAIL PROTECTED]] > > > The aic7xxx driver really does not like to share an IRQ. > Have you enabled the MP-APIC-Support? > > We have several machines each with 5 or more AIC7xxx channels with APIC > en

Re: current RAID state-of-the-art?

2000-04-13 Thread Mike Bilow
, as these usually try to share a single IRQ. -- Mike On Wed, 12 Apr 2000, Jakob Østergaard wrote: > The aic driver (and all other PCI drivers for that matter) should be perfectly > able to share IRQs. I've had aic7xxx sharing IRQ with 3c59x with no trouble > at all. > >

Re: The meaning of this?

2000-04-13 Thread Mike Bilow
I think it means you tried to run fsck across an area being resynced. -- Mike On Wed, 12 Apr 2000 [EMAIL PROTECTED] wrote: > Hello! > > This is what I got in the dmesg after my machine with raid5 crashed again: > > set_blocksize: b_count 1, dev md(9,0), block 245! > set_bl

Re: current RAID state-of-the-art?

2000-04-13 Thread Mike Bilow
The aic7xxx driver really does not like to share an IRQ. -- Mike On Wed, 12 Apr 2000, Morten Bøgeskov wrote: > I've done this and added dvd-ide, reiser & supermount. But this is not > really working 8). Does anybody else have the problem that an insmod > aic7xxx (which is

Re: Please help - when is a bad disk a bad disk?

2000-04-12 Thread Mike Bilow
at is, it may be reasonable to remove all but the last device when this occurs. I certainly cannot see any merit to taking down the whole system because of a corrupt inode. Worse, I'm not sure if there is any way to fix the corrupt inode automatically, since fsck has to run above the RAID layer. -- Mike

re: Power supply for multiple disks

2000-04-08 Thread Mike Bilow
On Sat, 8 Apr 2000, Edward Schernau wrote: > Mike Bilow wrote: > > > > Drives use by far more instantaneous current to spin up then they > need to > > run in active idle mode. A big, modern IDE drive can consume > about 2.0A > > [Excellent analysis trimmed]

Re: panic on boot when / (raid-1) was not unmounted

2000-04-08 Thread Mike Bilow
-2116.tar.gz The newer patch fixed exactly this problem for me. -- Mike On Fri, 7 Apr 2000, Malte Starostik wrote: > Kernel panic: B_FREE inserted into queues * * * > The behaviour is 100% reproducable. > I'm using the 2.2.10 patch with a 2.2.14 kernel. Could that be the > reason?

Re: Raid 5 problems - disk keeps failing, but no obvious errors

2000-04-08 Thread Mike Bilow
away entirely, that would suggested termination or heat. -- Mike On Fri, 7 Apr 2000 [EMAIL PROTECTED] wrote: > Background: > > This system have been very stable for 8 months. At xmas, we > upgraded to 2.2.14 and the newest raid patches. > > Problem: > &g

Re: Mylex AcceleRAID 250 dropped dead [2.2.14]

2000-04-08 Thread Mike Bilow
I have to agree with Leonard (big surprise)... we have had two large server machines in continuous service for a while with the Mylex RAID controllers, busy 24 hours a day, and we have never seen anything that approaches the problems you are describing. My bet is also hardware. -- Mike On Fri

Re: Power Supply for multiple disks?

2000-04-07 Thread Mike Bilow
the specs just now, and I see that each of these required 4.5A at 12V and 1.4A at 5V to spin up, and required 2.0A at 12V and 0.8A at 5V just to run normally. We had no trouble with two of these on 250W supplies, so I can't imagine that any modern drives would be a problem. -- Mike On Fri, 7

Re: Power Supply for multiple disks?

2000-04-07 Thread Mike Bilow
Why on earth would you even bother with RAID on a machine which can experience 30 minutes of idle time? We only use RAID for machines which run web servers, mail servers, name servers, and things like this. Such machines here never exeperience even a solid minute of idle time. -- Mike On Thu

Re: LILO error with a raid-1 /

2000-04-07 Thread Mike Bilow
.gz Note that this Lilo source kit already includes suport for RAID boot and 32-bit LBA for use with boot partitions larger than 8.4 GB. -- Mike On Wed, 5 Apr 2000, Sean Millichamp wrote: > I am running Red Hat 6.2. > > Here is my lilo.conf: > > boot=/dev/hda > disk=/dev/sd

Re: Redundant servers with RAID

2000-04-04 Thread Mike Bilow
to support multiple initiators and trying to make it do so would be non-trivial. -- Mike On Tue, 4 Apr 2000, Pete Rossi wrote: > Is it possible to have redundant servers for a common RAID device? > > That is.. looking to implement a fileserver that can handle any > single poin

Re: automatic writes..

2000-04-04 Thread Mike Bilow
Did you leave the "update" daemon running? -- Mike On Mon, 3 Apr 2000, Paramasivam Kartik wrote: > Hi everybody, > > this is a question about the linux source code. > > i want to test my modified raid code for reads only. > Once after every couple of read req

Re: Copying partition information

2000-04-03 Thread Mike Bilow
t I assume something like "dd if=/dev/hda of=/dev/hdc bs=512 count=1" would work for only the master partition table, but WOULD BE DANGEROUS. If you want to automate partitioning, look instead at the "sfdisk" tool. -- Mike On Mon, 3 Apr 2000, Rainer Mager wrote: > Hi all, &

Re: suggested changes to raid tools

2000-04-03 Thread Mike Bilow
-magnetic media and such rare cases, but ordinarily I can see no benefit. In general, I don't think there is anything wrong with the raidtab method. We have all sorts of other tools which use configuration files like this, much as Lilo uses lilo.conf. -- Mike On Sun, 2 Apr 2000, Michael T. Ba

Ideas for swapping on RAID (was: multiple partitions)

2000-04-02 Thread Mike Bilow
On Sat, 1 Apr 2000, Mike Bilow wrote: > On Fri, 31 Mar 2000, Michael wrote: > > hmmm. the remirroring code is not very smart... as I recall it > > does the remirroring in order .. i.e. md0, md1, etc... This would > > imply that if you have a power fail or other c

Re: clustering with raid

2000-04-01 Thread Mike Bilow
http://linux-ha.org/ -- Mike On Sun, 2 Apr 2000, octave klaba wrote: > Hi, > We are looking for the hardware/software solutions to make > clustering on Linux. We want to have 2 servers with 1 raid > storage or a solution to write on 2 servers in the same time.

RE: multiple partitions

2000-03-31 Thread Mike Bilow
swap md's should always be the > first two raid partitions under this scenario as they are very small > and will remirror quickly allowing swapping to proceed while the main > array remirrors. Jakob: If this is true, it should be added to the HOWTO. -- Mike

Re: root on RAID

2000-03-31 Thread Mike Bilow
tory" ("-C") switch. For example, if you mount what you want be the root fs after the restore onto /restore during the restoration process, you can do something like "tar -xpf /dev/st0 --directory /restore" to accomplish this. -- Mike On Fri, 31 Mar 2000 [EMAIL PROTECTED]

RE: multiple partitions

2000-03-31 Thread Mike Bilow
swap md's should always be the > first two raid partitions under this scenario as they are very small > and will remirror quickly allowing swapping to proceed while the main > array remirrors. We tested this, and it appeared that things remirrored simultaneously. If you are correct, of course it would make sense to reverse the nodes. -- Mike

Re: Disk v. Tape Backup -- Re: root on RAID

2000-03-31 Thread Mike Bilow
Why are you backing up? What if your machine catches fire? What if your office catches fire? What if someone steals your machine? What if your power supply sends mains voltage to every device in the case? -- Mike On Fri, 31 Mar 2000, Jeff Hill wrote: > I know this is off-topic, but si

Re: root on RAID

2000-03-31 Thread Mike Bilow
potato does not know how to boot from a RAID device, the newest version must be installed and lilo.conf edited manually. It does, however, work once installed. Obviously, this requires a fairly high level of expertise to do, and it should be clear from my explanation why it is not supported at t

RE: multiple partitions

2000-03-31 Thread Mike Bilow
bling swap for 2 minutes until /dev/md1 is completed. -- Mike On Fri, 31 Mar 2000, Gregory Leblanc wrote: > Check out the "multi-disk-HOWTO" (the name might be slightly different) by > Stein Gjoen. You get get it from http://www.linuxdoc.org/. It has a very > good explanat

Re: Raid1 - dangerous resync after power-failure?

2000-03-30 Thread Mike Black
add "sdc" to the array -- but when the resync gets to block#1000 it will use sdc block#1000 instead (which in all likelihood is still good). Michael D. Black Principal Engineer [EMAIL PROTECTED] 321-676-2923,x203 http://www.csihq.com Computer Sc

Re: ext2resize

2000-03-29 Thread Mike Bilow
I would think that a block device is a block device from the point of view of software like this, so I cannot see any reason to expect a block device created by software RAID to look any different to it. That said, I have never tried it, so take my advice with a grain of salt. -- Mike On Wed

Re: IO-APIC interrupts (was System Hangs -- Which Is...)

2000-03-29 Thread Mike Bilow
These are all selected when you compile the Linux kernel using "make menuconfig" or "make config" and are documented in the kernel source tree found in /usr/src/linux/Documentation/Configure.help (or wherever your kernel source tree lives). -- Mike On Tue, 28 Mar 2000 [EM

re: aic7xxx, SMP, "providence" board

2000-03-29 Thread Mike Bilow
ture of IO-APIC. Hi, Neighbor! -- Mike -- --- Bilow Computer Science, Inc. | http://www.bilow.com/ | Michael S. Bilow Cranston, RI 02920-5554, USA | [EMAIL PROTECTED]

Re: Raid-Related System Locks

2000-03-29 Thread Mike Bilow
onf" page. 4. Unplug the Plextor. -- Mike On Tue, 28 Mar 2000, Bernd Burgstaller wrote: > Dear all! > > I am writing this mail due to hangups related to my raid devices. I am > seeking for suggestions enabling me to locate the problem. Any suggestions > are welcome! Below you

Re: Raid-Related System Locks

2000-03-28 Thread Mike Black
D. Black Principal Engineer [EMAIL PROTECTED] 321-676-2923,x203 http://www.csihq.com Computer Science Innovations http://www.csihq.com/~mike My home page FAX 321-676-2355 - Original Message - From: "Bernd Burgstaller" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sen

Re: Problems again

2000-03-28 Thread Mike Bilow
Danilo Godec wrote: > > On Tue, 28 Mar 2000, Mike Bilow wrote: > > > I think you have an electrical issue. > > I feared that, but what should I do? It's all LVD and all pre-installed by > Intel... except disks, of course. Call for warranty service, I would think

Re: single vs raid soft

2000-03-28 Thread Mike Bilow
Go file. Why would the file size or RAM on the machine affect CPU utilization? In any case, this is a production machine and even 100 MB takes a couple of minutes to run. The system has 64 MB RAM, for what it may be worth. -- Mike

Re: Problems again

2000-03-28 Thread Mike Bilow
APIC-level aic7xxx, aic7xxx * * * > 1400-14be : aic7xxx > 1800-18be : aic7xxx Are you really running two separate aic7xxx controllers? Do they have the same firmware revision? -- Mike -- --- Bilow Computer S

Re: single vs raid soft

2000-03-28 Thread Mike Bilow
keepsettings = 0 (off) nowerr = 0 (off) readonly = 0 (off) readahead = 8 (on) geometry = 3739/255/63, sectors = 60074784, start = 0 /dev/hdc: multcount = 0 (off) I/O support = 0 (default 16-bit) unmaskirq = 0 (off) using_dma = 1 (on) keepsettings = 0 (off) nowerr = 0 (off) readonly = 0 (off) readahead = 8 (on) geometry = 3739/255/63, sectors = 60074784, start = 0 -- Mike

Re: superblock or the partition table is corrupt?

2000-03-28 Thread Mike Black
-2923,x203 http://www.csihq.com Computer Science Innovations http://www.csihq.com/~mike My home page FAX 321-676-2355 - Original Message - From: "root" <[EMAIL PROTECTED]> To: "David Cooley" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Monday, March

Re: System Hangs -- Which Is Most Stable Kernel?

2000-03-28 Thread Mike Bilow
Intel EtherExpress Pro 10/100 Ethernet NMI: 0 ERR: 0 On this particular system, an Intel PR440FX "Providence" motherboard, both SCSI and Ethernet are built-in. It is also very strongly advised to have MTRR support enabled in the kernel if you are playing around with systems of this calibe

Re: Swapping onto RAID: Good idea?

2000-03-28 Thread Mike Bilow
crash if there is a drive failure. -- Mike On Tue, 28 Mar 2000, Godfrey Livingstone wrote: > I have raid 1 working and am swapping onto /dev/md1 I am interested to know > what modifacations you made to the startup scripts. We run redhat 6.1 with a > patched (for raid and promise ide c

Re: How to specify /dev/md0 as root device?

2000-03-25 Thread Mike Bilow
t free to experiment. -- Mike On Sat, 25 Mar 2000, Mike Bilow wrote: > Unfortunately, the boot floppy fails out with a kernel panic about being > unable to mount the root filesystem. The ssyslinux.cfg file does > correctly specify "root=/dev/md0" and the VFS message reports tha

How to specify /dev/md0 as root device?

2000-03-25 Thread Mike Bilow
l set (with the same customer kernel), /dev/md0 can be mounted and used. What's going on here? -- Mike

Swapping onto RAID: Good idea?

2000-03-25 Thread Mike Bilow
far as I can tell, option 3 combines the risks of both approaches and seems to have little to recommend it. I am currently using a 2.2.14 kernel with Ingo Molnar's patches. -- Mike

Kernel panic: B_FREE inserted into queues

2000-03-24 Thread Mike Bilow
I am very new to software RAID. -- Mike

Re: Current raid driver for 2.3.42?

2000-02-09 Thread Mike Panetta
Thanks! I am eagerly waiting! :) On Wed, Feb 09, 2000 at 01:05:09PM +0100, Ingo Molnar wrote: > > On Tue, 8 Feb 2000, Mike Panetta wrote: > > > I am looking for an updated raid driver for kernel 2.3.42+ Does such a > > beast exist? I looked on Ingo's site

Current raid driver for 2.3.42?

2000-02-08 Thread Mike Panetta
I am looking for an updated raid driver for kernel 2.3.42+ Does such a beast exist? I looked on Ingo's site and only found a patch for kernel 2.3.40. This patch did not patch cleanly at all. I am not on this list so please CC me. Thanks, Mike --

Re: RAID 0 set broken on RH 6.0

2000-02-07 Thread Mike Iglesias
Thanks - that worked. I suspected it would, but the note at the begining of the man page for mkraid made me wonder if I was going to fix it and trash it worse at the same time. Mike

RAID 0 set broken on RH 6.0

2000-02-07 Thread Mike Iglesias
f the disk structure could be trashed, but I'd like to at least get far enough to run fsck and see. There's nothing critical on the raid, but I'd rather not have to redo what I had before if I don't have to. There are no backups, of course. Thanks, -- Mike Iglesias

Re: Argh, more problems with SCSI and RAID

2000-02-01 Thread Mike Black
19 f4 34 04 00 Michael D. Black Principal Engineer [EMAIL PROTECTED] 321-676-2923,x203 http://www.csihq.com Computer Science Innovations http://www.csihq.com/~mike My home page FAX 321-676-2355 - Original Message - From: "Rainer Mager" <[EMAIL PROTECTE

Samba on Mylex AccelRaid150 (RAID5) for multimedia production?

1999-11-30 Thread Mike Mayers
How well would Linux 2.2 (.4?) running samba on a mylex AccelRaid 150 (RAID5) compare to an NT server running an Adaptec RaidPortIII solution. We need a new (inexpensive) file server for handing multiple video game production teams simultaneously. (It has to serve 98/NT machines). Thanks, MTM

Re: RAID 5 Array fails if first disk is missing

1999-11-24 Thread Mike Bird
r drives) in /etc/raidtab. We also find this approach makes it easier to delete and/or reconfigure RAID's. --Mike -- Mike Bird Tel: 209-742-5000 FAX: 209-966-3117 President POP: 209-742-5156 PGR: 209-742-9979 Iron Mt

simple miroring on ide

1999-11-16 Thread Mike Karmyshev
Is there any support for true IDE drives mirroring,i.e. I create identical data on my identical disks with dd and then Linux writes all the data twice: on 1st and 2nd drive? WBR,Mike ...UNIX

Re: raidstop --all doesn't do its job

1999-11-08 Thread Mike Black
r raidstop?? Michael D. Black Principal Engineer [EMAIL PROTECTED] 321-676-2923,x203 http://www.csihq.com Computer Science Innovations http://www.csihq.com/~mike My home page FAX 321-676-2355

Re: LOTS OF BAD STUFF in raid0: raid0145-19990824-2.2.11 is unstable

1999-11-07 Thread Mike Black
I had problems with the "beyond end of device" message quite regularly until I switched the device from non-RAID to RAID and replaced the CPU. I was able to reproduce this with an application that was extremely heavy I/O on a single SCSI disk (this was linear file access on about 20G of data). T

kernel autodetection of software raid

1999-10-30 Thread Radomski, Mike
nux kernel: request_module[md-personality-2]: Root fs not mounted . . . linux kernel: md0 stopped. Thanks Mike

Re: raid0145 patch

1999-10-28 Thread Mike Black
ience Innovations http://www.csihq.com/~mike My home page FAX 407-676-2355 - Original Message - From: Bill Carlson <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, October 27, 1999 5:42 PM Subject: raid0145 patch Hey, The patch did the trick, just like it was supposed

Re: Root RAID and unmounting /boot

1999-10-27 Thread Mike Black
oot from floppy with a simple "cat /vmlinuz >/dev/fd0". The 10 second delay is well worth it to me. Michael D. Black Principal Engineer [EMAIL PROTECTED] 407-676-2923,x203 http://www.csi.cc Computer Science Innovations http://www.csi.cc/~mi

Re: FDISK

1999-10-09 Thread Mike Black
ftp://sunsite.unc.edu:/pub/Linux/kernel.org/pub/linux/utils/util-linux/util- linux-2.9y.tar.gz - Original Message - From: David Cooley <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, October 08, 1999 3:25 PM Subject: FDISK Where can the new version of FDISK be found at? ==

Re: Raid0

1999-10-08 Thread Mike Black
You're OK...there's a newer version of fdisk which recognizes this new partition type. Michael D. Black Principal Engineer [EMAIL PROTECTED] 407-676-2923,x203 http://www.csi.cc Computer Science Innovations http://www.csi.cc/~mike My home pa

Re: Notify scripts?

1999-10-08 Thread Mike Black
uot;should be:" >&2 cat $CONF >&2 fi exit 1 fi fi ##### Michael D. Black Principal Engineer [EMAIL PROTECTED] 407-676-2923,x203 http://www.csi.cc Computer Science Innovation

Re: 2.2.13pre15 SMP+IDE test summary

1999-10-07 Thread Mike Black
). Michael D. Black Principal Engineer [EMAIL PROTECTED] 407-676-2923,x203 http://www.csi.cc Computer Science Innovations http://www.csi.cc/~mike My home page FAX 407-676-2355 - Original Message - From: <[EMAIL PROTECTED]> To: <[EMAIL

Why MAX_CHUNK_SIZE?

1999-10-06 Thread Mike Bird
recompile the kernel? The 16MB chunks used to work with the old tools. --Mike P.S. Sorry about the previous partial message. My Emacs habits typed ctrl-E which is "send now" in Eudora. -- Mike Bird Tel: 209-742-5000 FA

Why MAX_CHUNK_SIZE?

1999-10-06 Thread Mike Bird
I finally got around to upgrading our oldest RAID to the new tools. I had planned to change chunk size from 16MB (16K blocks) -- Mike Bird Tel: 209-742-5000 FAX: 209-966-3117 President POP: 209-742-5156 PGR: 209-742

Re: redhat 6.1 RAID: what's different

1999-10-06 Thread Mike Frisch
> You're kidding, aren't you? Seems like RedHat is really trying to go the SuSE > way and become Windows... Oh, please do tell why a graphical installer is a bad thing... especially if it allows installation to a software R

RE: Optimal Cluster/stride

1999-09-30 Thread Mike Bird
replaced as soon as RAM prices drop back to reasonable levels. --Mike -- Mike Bird Tel: 209-742-5000 FAX: 209-966-3117 President POP: 209-742-5156 PGR: 209-742-9979 Iron Mtn Systems http://member.yosemite.net/

Re: Repeatable oops from md driver with raid0 [More info]

1999-09-30 Thread Mike Black
re the block_nr contains ASCII data. Michael D. Black Principal Engineer [EMAIL PROTECTED] 407-676-2923,x203 http://www.csi.cc Computer Science Innovations http://www.csi.cc/~mike My home page FAX 407-676-2355 - Original Message - From: Martin Weinberg <[EMAIL

Re: Linux box locking up ..

1999-09-23 Thread Mike Black
tp://www.csi.cc Computer Science Innovations http://www.csi.cc/~mike My home page FAX 407-676-2355 - Original Message - From: Mark Ferrell <[EMAIL PROTECTED]> To: Jason A. Diegmueller <[EMAIL PROTECTED]> Cc: 'Heinz Christian' <[EMAIL PROTECTED]>; 'Tom

Re: Me again.

1999-09-08 Thread Mike Frisch
1999084-2.2.11.gz | patch -p1" Mike. === Mike FrischToronto, Ontario, Canada Software Engineer Hummingbird Communications Ltd. Disclaimer: I speak for myself, not my employer.

Kernel compile

1999-08-31 Thread Mike Brodbelt
heck_signature': /usr/src/linux/include/asm/io.h:175: `PAGE_OFFSET_RAW' undeclared (first use in this function) make: *** [init/main.o] Error 1 Can anyone tell me how to fix this?? Thanks, Mike.

Re: End of the line?

1999-08-30 Thread Mike Frisch
at PC prices. But one must admit that drive speeds are not in sync with other PC advancements. CPU speeds have increased at a MUCH greater pace than hard drive transfer rates, for instance. Mike. =====

Re: Why RAID1 half-speed?

1999-08-30 Thread Mike Black
Principal Engineer [EMAIL PROTECTED] 407-676-2923,x203 http://www.csi.cc Computer Science Innovations http://www.csi.cc/~mike My home page FAX 407-676-2355 - Original Message - From: Andy Poling <[EMAIL PROTECTED]> To: Mike Black <[EMAIL PROTECTED]> Cc: raid <[EMAIL PROTECTED]&

Re: End of the line?

1999-08-30 Thread Mike Frisch
drives without knowing the real specifications (and limitations). Mike. === Mike FrischToronto, Ontario, Canada Software Engineer Hummingbird Communications Ltd. Disclaimer: I speak for myself, not my employer.

Re: End of the line?

1999-08-30 Thread Mike Frisch
fer speed, which just isn't going to happen What is the model number of the drive(s) in question? I've just checked a bunch of drives on IBM's website and for most of them, the internal transfer rate is aroun

Why RAID1 half-speed?

1999-08-30 Thread Mike Black
lack Principal Engineer [EMAIL PROTECTED] 407-676-2923,x203 http://www.csi.cc Computer Science Innovations http://www.csi.cc/~mike My home page FAX 407-676-2355

Re: difficulty writing reliably to working RAID setup

1999-08-24 Thread Mike Black
unt=1 I'm running 2.2.11 with patch-2.2.12pre8.gz Michael D. Black Principal Engineer [EMAIL PROTECTED] 407-676-2923,x203 http://www.csi.cc Computer Science Innovations http://www.csi.cc/~mike My home page FAX 407-676-2355 - Original Message

Problems with ICP Vortex controller

1999-08-22 Thread Mike Brodbelt
and I don't want to be without the redundancy for any longer than absolutely necessary. Mike. P.S. Please CC any replies to my work email address - [EMAIL PROTECTED]

Re: FW: Horribly bad RAID performance with PERC2 (AMI Megaraid)

1999-07-19 Thread Mike Frisch
#x27;t heard much about the SmartRaid IV, but the III was notorious for being a poor performer (albeit well-supported, though). Perhaps DPT cards just aren't what they're cracked up to be? Mike. -- == Mike Frisch So

Re: Promise RAID

1999-07-14 Thread Mike Frisch
on Linux. That was my point. Mike. -- ====== Mike Frisch Software Engineer Hummingbird Communications Ltd.North York, Ontario, Canada Disclaimer: I speak for myself, not my employer

Re: Promise RAID

1999-07-13 Thread Mike Frisch
x27;s Senior Software Engineer (K^2), stated that they would not > release the API to the upper misc.-bits of the card that controls the > psuedo hardware raid of the FastTrak/DriveDefender/FastTrak66. The origi

Re: Promise RAID

1999-07-13 Thread Mike Frisch
wait for them to come out with a driver. Not an optimal situation, but perhaps with enough reaction from the Linux community, they may change their minds about releasing the source. Mike. -- == Mike Frisch Software Engine

Re: A view from the other side...

1999-07-09 Thread Mike Frisch
an existing single disk setup? I would like to mirror the drive on my server without having to reinstall anything. Thanks, Mike. -- === Mike Frisch Software Engineer Hummmingbird Communications Ltd. Toro

Re: A view from the other side...

1999-07-08 Thread Mike Frisch
ID5 array running some "common" files which I make available on my home LAN. So far, so good. I still don't have it shutting down properly and automatically being brought up at boot-time, which is still a little bit of a pain. Mike. ===

A view from the other side...

1999-07-08 Thread Mike Frisch
ecent documentation like this. Mike. -- == Mike Frisch Software Engineer Hummingbird Communications Ltd.North York, Ontario, Canada Disclaimer: I speak for myself, not my employer

Re: aic7890 or 53c875?

1999-07-07 Thread Mike Frisch
that could not be run at 125 Mhz for the, > ram bus speed god only know how fast the normal pci bus was running. Huh? If you're overclocking a server, you get what you deserve. > also ncr 's that I have seen have silver leads , not gold . Who cares? Mike.

Re: General RAID question...

1999-06-03 Thread Mike Frisch
g drive or whatever a couple of years from now. Agreed. I guess I'll just worry about the problem when the time comes. Thanks for the prompt reply, Mike. -- == Mike Frisch Software Engineer Hummingbird Communi

General RAID question...

1999-06-02 Thread Mike Frisch
ms expensive to replace all the drives in a couple of years when one (or more) drives fails. Mike. -- == Mike Frisch Software Engineer Hummingbird Communications Ltd.North York, Ontario, Canada Disclaimer: I s

Re: Hardware RAID Solutions

1999-05-31 Thread Mike Black
One other thing that (I think) should be added to the Hardware/Software RAID discussion is the availability of the system when a drive goes bad. I've got an AIC-7880 controller running software RAID and it works OK if a disk read/write error occurs. But, if a drive totally dies the SCSI bus goes

Re: Hardware RAID Solutions

1999-05-29 Thread Mike Frisch
is functionality. What about Adaptec? Mike. -- ====== Mike Frisch Software Engineer Hummingbird Communications Ltd.North York, Ontario, Canada Disclaimer: I speak for myself, not my employer

Re: Re: RAID-5 Recovery testing

1999-05-23 Thread Mike Black
23,x203 http://www.csi.cc Computer Science Innovations http://www.csi.cc/~mike My home page FAX 407-676-2355 - Original Message - From: Chris R. Brown <[EMAIL PROTECTED]> To: Mike Black <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Tuesday, May 18, 1999 12:02 PM Subjec

Re: RAID-5 Recovery testing

1999-05-21 Thread Mike Frisch
/affect the SCSI bus? Can this be guaranteed or is it just an instance of it occurring most of the time? Thanks, Mike. -- ====== Mike Frisch Software Engineer Hummingbird Communications Ltd.North York,

Re: Status of raid software?

1999-05-19 Thread Mike Black
nnovations http://www.csi.cc/~mike My home page FAX 407-676-2355 - Original Message - From: Ingo Molnar <[EMAIL PROTECTED]> To: Francesco Potorti` <[EMAIL PROTECTED]> Cc: Sviluppo RAID per Linux <[EMAIL PROTECTED]> Sent: Tuesday, May 18, 1999 4:25 AM Subject: Re: Status of

Newbie questions...

1999-05-18 Thread Mike Frisch
reciated. Much thanks in advance, Mike. -- == Mike Frisch Software Engineer Hummingbird Communications Ltd.North York, Ontario, Canada Disclaimer: I speak for myself, not my employer

Advice: Check your hardware

1999-04-16 Thread Mike Bird
d, in order: 1) Motherboard. 2) Memory. 3) SCSI cable / termination. --Mike -- Mike Bird Tel: 209-742-5000 FAX: 209-966-3117 President POP: 209-742-5156 PGR: 209-742-9979 Iron Mtn Systems http://member.yosemite.net/

Re: Can't get started with raid 1

1999-04-14 Thread Mike Bird
o comment out those three lines to avoid the open-inode problem so that you can work on a RAID before it is started. Note that you seldom see an explanation that mentions open-inode, just a failure message with no explanation. --Mike -- Mike Bir

Re: Single disk mirror + spare causes lockup :-(

1999-03-19 Thread Mike Black
_ Michael D. Black Principal Engineer [EMAIL PROTECTED] 407-676-2923,x203 http://www.csi.cc Computer Science Innovations http://www.csi.cc/~mike My home page FAX 407-676-2355 - Original Message - From: Ingo Molnar <[EMAIL PROTECTED]> To: Martin Bene <[EMAIL PROTECTED]&g

Re: mkraid and other weirdness

1999-03-17 Thread Mike Bird
ll be using it for an in-house mail/web server where we have 24x7 console access in case of problems. --Mike -- Mike Bird Tel: 209-742-5000 FAX: 209-966-3117 President POP: 209-742-5333 PGR: 209-742-9979 Iron Mtn System

advice

1999-03-09 Thread Mike Dickson
I doing this right? I ge the feeling i'm not. Any help appreciated! ...Mike

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