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Can someone tell me how to unsubscribe to this email? I am inund ated.
by Tim McGraw 05 Apr '02

05 Apr '02

Tim McGraw email:timm@computech.com 1-800-882-0201 ext. 1133 Local: 425-820-6500 Fax: 425-820-6565 COMPUTECH SYSTEMS CORPORATION Worldwide IT solutions provider since 1985. Featuring Sun, HP, Cisco and Compaq. A veteran owned, small business. 11421 NE 120th Street Kirkland, WA, USA 98034 Fax: +1-425-820-6565 - http://www.computech.com To be removed from any further messages, reply to this e-mail with a subject line of "remove".

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Remove
by Tim McGraw 05 Apr '02

05 Apr '02

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Question on gig slot assignments and fiber card assignments
by Art Hebert 05 Apr '02

05 Apr '02

I have a netapp f760 clustered running 6.01R3 with the following slot assignments: slot 9 nvram slot 8 cluster interconnect slot 7 redundant fiber loop slot 6 intel fiber gig card slot 5 intel 100mb card slot 4 primary fiber loop One 7 x 18gb fiber shelf, one volume. I can't seem to get more than 10MB througput a little worse than on the 100mb card. The cpu numbers drop but so far the gig card isn't a big win. I've tested from a sun 420 with a syskonnect fiber gig card in the fast pci slot. I've played with about every combo of negotiation, etc. Tested with a cisco 6408 gig card in a cisco 6509 switch and also tested card to card with just a fiber cable. Here is sysstat: time dd if=/dev/zero of=./100m.1 count=100000 bs=1024 2% 0 0 0 0 0 32 16 0 0 38 2% 0 0 0 0 0 0 0 0 0 38 2% 0 0 0 0 0 0 0 0 0 38 2% 0 0 0 0 0 32 16 0 0 38 2% 0 0 0 0 0 0 0 0 0 38 88% 1620 0 0 13874 327 496 260 0 0 38 87% 1216 0 0 10429 246 1016 10288 0 0 38 84% 983 0 0 8490 199 741 14470 0 0 38 77% 955 0 0 8190 193 668 13712 0 0 38 73% 956 0 0 8198 193 1121 8725 0 0 38 73% 955 0 0 8190 193 1380 10912 0 0 38 77% 956 0 0 8198 193 1586 10282 0 0 38 81% 1123 0 0 9570 227 488 9646 0 0 38 83% 1133 0 0 9718 229 1049 9810 0 0 38 85% 1224 0 0 10499 247 384 9954 0 0 38 CPU NFS CIFS HTTP Net kB/s Disk kB/s Tape kB/s Cache in out read write read write age 75% 855 0 0 7331 173 1522 12376 0 0 38 74% 534 0 0 4571 108 4268 13680 0 0 38 7% 0 0 0 0 0 116 3844 0 0 38 2% 0 0 0 0 0 32 16 0 0 38 2% 0 0 0 0 0 0 0 0 0 38 2% 0 0 0 0 0 0 0 0 0 38 2% 0 0 0 0 0 32 16 0 0 38 Questions: 1) is it better to have the primary loop in slot 8 and move the cluster interconnect? 2) how is everybody elses netapps laid out? 3) do i need more disk to get better performance?

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RE: One more netbackup question...
by Surlow, Jim 05 Apr '02

05 Apr '02

Even though Networker might support DAR, does OnTap? I did some research on this a while back (so my info may be dated), but my understanding is this: The backup server initiates the NDMP command to the Filer (or other NDMP device), the OS on that device then begins to send data to tape by using means that it is aware of. In the case of OnTap, it uses the typical Unix dump command. With dump/restore, there is no index created, thus, to recover, one has to scan from the beginning of tape of the first tape in the dump set until the data is found (on whatever tape). And the user waiting for the file will likely hope that their file is closer to the first part of the first tape rather than the last part of the last tape. Netbackup & Networker will have an index knowing which NDMP tape set that a file is on, but I would guess that they would have no idea as to which tape in the set it is - or where on that tape (set: being number of tapes for that night's incremental, full, whatever). If I'm off base, please clarify. Thanks, Jim Surlow CSG Systems -----Original Message----- From: Alfred Lim [mailto:alfred@ptc.net] Sent: Thursday, April 04, 2002 10:23 AM To: toasters(a)mathworks.com Subject: Re: One more netbackup question... Well one thing for Legato Networker, it support NDMP V3 and have this DAR feature. -----Original Message----- From: "Jeff Kennedy" <jlkennedy(a)amcc.com> To: Don.Hickey(a)alcatel.com Date: Thu, 04 Apr 2002 08:56:46 -0800 Subject: Re: One more netbackup question... > Get a new backup software? The problem is that some vendors do not > support Direct Access Restore, meaning it will search through every tape > starting at the first and scan the whole thing. If no DAR, you're > basically bummed. > > Do you use snapshots? If you have the space it is a life-saver at > times. > > ~JK > > Don.Hickey(a)alcatel.com wrote: > > > > I find restoring from a tape extraordinarly slowwwww. I have home > > directories on a clustered pair of F840 running 6.1.1r2. I have > > several volumes at about 300gb usable. When I need to restore a file > > from a users directory it can take up to 6+ hours (DLT 8000). It > > appears most of the time is taken searching for the files... is there > > anything you can suggest (including any white papers) to speed up this > > process? > > > > thanks again > > > > Don > > -- > ===================== > Jeff Kennedy > Unix Administrator > AMCC > jlkennedy(a)amcc.com

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RE: Backing up to netapp controlled drivers...
by Penelope Carr 05 Apr '02

05 Apr '02

You cannot uses Netbackup to backup other systems when the drives are directly attached to the NetApp Filer. You can only backup NetApp servers with it period with Netbackup 3.4. I am not sure if it is planned for 4.5 or 5.0 release to change this. Also Netbackup and Legato do not play well together when sharing tape devices. It sounds as though you have some drives specifically set for Legato but are trying to use them with Netbackup too??. Netbackup wants control of the drives and will not be able to know when Legato is done using the drives and vice versa with Legato not knowing about Netbackup. Penelope Penelope Carr Veritas Software RTSE. Enterprise Support Services (cell) 914-439-4911 (ofc) 914-934-2404 (fax) 914-934-2685 -----Original Message----- From: Toal, Dave [mailto:dave.toal@t-t.com] Sent: Thursday, April 04, 2002 6:26 PM To: MCope(a)isisph.com Cc: Don.Hickey(a)alcatel.com; toasters(a)mathworks.com Subject: Re: Backing up to netapp controlled drivers... Michael, Ok, I didn't think of that, thanks. Seems like no matter how long I wait when unloading manually, it still fails, time to open another case with veritas I suppose. Amusement factor of the debug goes up as number-of-products-involved squared. MCope(a)isisph.com wrote: > > Concerning the failure to unload tapes on a DLT7000. I have a number of DLT7000 and DLT8000 libraries connected to Filers. I use Legato Networker and it requires setting high timeouts for eject sleep, unload sleep, mount sleep, etc., to work properly. The total for timeouts can be up to 5 minutes > > Michael > > "Toal, Dave" <dave.toal(a)t-t.com> UIRED class CDATA #FIXED "0" number CDATA #FIXED "1"> <!ELEMENT security EMPTY> Kennedy Informational [Page 9] > Sent by: owner-toasters(a)mathworks.com > om*§h > 04/03/02 01:17 PM > > Don, > > Netbackup 3.4 on solaris says not. > > 04/03/2002 16:14:17 netback dtoal1 backup of client dtoal1 exited with status 154 (storage > unit characteristics mismatched to request) > > Speaking of netapp backups with netbackup, > I've been trying to figure out why a dlt7000 fails > to unload a tape, occasionally. Anyone else seen > this? No symptoms, no errors logged, but the next > backup of the netapp fails because "storage unit is > unavailable". > > Don.Hickey(a)alcatel.com wrote: > > > > With netbackup, is it possible to backup a unix system (eg: solaris) to a tape device which is direct connected to the netapp? > > > > What I'm trying to do is to connect a DLT7000 to a netapp F740. Using netbackup I want to backup the netapp but also backup sun machines that reside elsewhere on the network. > > > > Thanks in advance for any tips. > > > > don

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"Semaphore timeout period" error on Win2K server connecting to CI FS filer
by Adrian Phillips 05 Apr '02

05 Apr '02

Hello; Am experiencing this strange, intermittent problem from one of our Windows 2000 (SP2) servers that has adapter teaming on it (2 x 10/100MB NICs) where when trying to access a F760 CIFS filer (ONTAP 6.1R1P1D9). It will time out when trying to access the filer by NetBIOS name (i.e. Start/Run... \\<filername>) or IP Address and when trying to map a drive to it via a command prompt the error message "System Error 121 Occurred. The semaphore timeout period has expired.". Trying to access by IP address of the filer also times out (so it isn't WINS - one of my favorite things to whip - that would be the culprit...), though the filer responds to pings. Access to all other NT 4.0 and Win2K servers is unaffected, and runs quickly. After a period of about 5 minutes or so, the slowness goes away and things return to normal for a few weeks or a month when accessing the filer. I've scowered the Microsoft and NOW site to little avail, but did find some similarities in some newsgroups about others having problems with a Win2K server with adapter teaming, with the slight difference that they were having trouble accessing a Samba share. It may be that there is an IRQ conflict on the Win2K server, which I am verifying with the vendor (HP). That's about all I have to go on at the moment, unfortunately. Please let me know if this is familiar to anyone. Thanks for your time. Cheers, -Adrian Phillips PMC-Sierra, Inc.

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Re: Backing up to netapp controlled drivers...
by MCope＠isisph.com 04 Apr '02

04 Apr '02

Concerning the failure to unload tapes on a DLT7000. I have a number of DLT7000 and DLT8000 libraries connected to Filers. I use Legato Networker and it requires setting high timeouts for eject sleep, unload sleep, mount sleep, etc., to work properly. The total for timeouts can be up to 5 minutes Michael "Toal, Dave" <dave.toal(a)t-t.com> Sent by: owner-toasters(a)mathworks.com 04/03/02 01:17 PM To: Don.Hickey(a)alcatel.com cc: toasters(a)mathworks.com Subject: Re: Backing up to netapp controlled drivers... Don, Netbackup 3.4 on solaris says not. 04/03/2002 16:14:17 netback dtoal1 backup of client dtoal1 exited with status 154 (storage unit characteristics mismatched to request) Speaking of netapp backups with netbackup, I've been trying to figure out why a dlt7000 fails to unload a tape, occasionally. Anyone else seen this? No symptoms, no errors logged, but the next backup of the netapp fails because "storage unit is unavailable". Don.Hickey(a)alcatel.com wrote: > > With netbackup, is it possible to backup a unix system (eg: solaris) to a tape device which is direct connected to the netapp? > > What I'm trying to do is to connect a DLT7000 to a netapp F740. Using netbackup I want to backup the netapp but also backup sun machines that reside elsewhere on the network. > > Thanks in advance for any tips. > > don

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Re: One more netbackup question...
by Don.Hickey＠alcatel.com 04 Apr '02

04 Apr '02

Thanks for all the feedback. It looks like I either need to switch software or wait for veritas to implement DAR. A quick look shows that almost every other NDMP player already has it. I have 300gb volumes and several hundred users on each volume.... it takes many hours to find a 500k word document :-( . Snapshots reduce the requirement to go to tape to a minimum but I've had to do it a couple of times over the last week or two. Thanks again, Don Don HICKEY/CA/ALCATEL@ALCATEL Sent by: owner-toasters(a)mathworks.com 2002-04-04 11:24 AM To: toasters(a)mathworks.com cc: Subject: One more netbackup question... I find restoring from a tape extraordinarly slowwwww. I have home directories on a clustered pair of F840 running 6.1.1r2. I have several volumes at about 300gb usable. When I need to restore a file from a users directory it can take up to 6+ hours (DLT 8000). It appears most of the time is taken searching for the files... is there anything you can suggest (including any white papers) to speed up this process? thanks again Don

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Re: One more netbackup question...
by Steve Kappel 04 Apr '02

04 Apr '02

DAR does not require V3+. NetBackup 4.5, shipping this month, supports NDMP V2, V3, V4. Support for DAR is coming. >X-SMTP-TO: <toasters(a)mathworks.com> >Date: Fri, 05 Apr 2002 01:23:07 +0800 >From: "Alfred Lim" <alfred(a)ptc.net> >To: toasters(a)mathworks.com >Subject: Re: One more netbackup question... >X-Return-Path: alfred(a)ptc.net >X-MDaemon-Deliver-To: toasters(a)mathworks.com > >Well one thing for Legato Networker, >it support NDMP V3 and have this DAR feature. > > >-----Original Message----- >From: "Jeff Kennedy" <jlkennedy(a)amcc.com> >To: Don.Hickey(a)alcatel.com >Date: Thu, 04 Apr 2002 08:56:46 -0800 >Subject: Re: One more netbackup question... > >> Get a new backup software? The problem is that some vendors do not >> support Direct Access Restore, meaning it will search through every tape >> starting at the first and scan the whole thing. If no DAR, you're >> basically bummed. >> >> Do you use snapshots? If you have the space it is a life-saver at >> times. >> >> ~JK >> >> Don.Hickey(a)alcatel.com wrote: >> > >> > I find restoring from a tape extraordinarly slowwwww. I have home >> > directories on a clustered pair of F840 running 6.1.1r2. I have >> > several volumes at about 300gb usable. When I need to restore a file >> > from a users directory it can take up to 6+ hours (DLT 8000). It >> > appears most of the time is taken searching for the files... is there >> > anything you can suggest (including any white papers) to speed up this >> > process? >> > >> > thanks again >> > >> > Don >> >> -- >> ===================== >> Jeff Kennedy >> Unix Administrator >> AMCC >> jlkennedy(a)amcc.com __________________________________________________________________________ Steve Kappel steve.kappel(a)veritas.com VERITAS Software (Engineering) steve(a)stevekappel.com (Personal)

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One more netbackup question...
by Don.Hickey＠alcatel.com 04 Apr '02

04 Apr '02

I find restoring from a tape extraordinarly slowwwww. I have home directories on a clustered pair of F840 running 6.1.1r2. I have several volumes at about 300gb usable. When I need to restore a file from a users directory it can take up to 6+ hours (DLT 8000). It appears most of the time is taken searching for the files... is there anything you can suggest (including any white papers) to speed up this process? thanks again Don

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