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How the heck do you get the lid of a C1100?
by Jaye Mathisen 30 Jun '03

30 Jun '03

Searched for a hardware guide for detailed stuff on the 1100, but didn't find anything other than the basic hardware install guide. I wan tto get inside this baby and take a look at it, but I can't figure out how to get the lid off. Something in the front/center seems to be holding it, but I'll be hornswoggled if I can find a screw or anything. Any tip appreciated. Thanks.

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Re: Dinostor TapeServer
by Chris Madden 30 Jun '03

30 Jun '03

I've never used this product but it seems to provide functionality that is already present on the filer; i.e. an NDMP TAPE Server. You could buy one or more LTO2 drives (either SCSI or FC version), appropriate card(s) for one of your filers, and connect the drives up directly to one of your filers. You would then configure the backup software to perform NDMP backups in one of two ways depending on the filer. For the filer with the drives physically attached the setup can be considered local because the filer is functioning as both the NDMP DATA and TAPE servers. For the other filers without physical connectivity to the drives these function in a 3-way setup, with the filer without the drives functioning as the NDMP DATA server, and the filer with the drives functioning as the NDMP TAPE server. The choice is yours, use the functionality native to a filer (or as required by NDMP v2 actually) or buy a seperate box to provide it. -Chris P.S. Filer LTO II support at the moment is limited (HP-SCSI only) but support for the other manufactures/interface types is said to be forthcoming in the near future...meaning weeks if not days away. -----Original Message----- From: "Holland, William L" <hollandwl(a)state.gov> To: "'toasters(a)mathworks.com'" <toasters(a)mathworks.com> Date: Fri, 27 Jun 2003 13:07:21 -0400 Subject: Dinostor TapeServer Anyone out there using this product? (http://www.dinostor.com). If so, with which tape library and which backup software package? Since I'm setting up my NetApps from scratch and have no FCP equipment I would really like to build a GbE solution. However, the boss wants LTO2 and so far no one has a GbE solution for LTO2 -- most seem to be several months away. Also, I don't want to dedicate a tape library to one particular NetApp as I expect we will get a couple more in the not so distant future. Thanks again.

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Simulate tape library
by Thanigai Velan 28 Jun '03

28 Jun '03

Hi guys, How do i simulate a tape library in NetApp simulator ? Thanks, Thani RDM

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RE: Clearcase and Netapp
by Clawson, Simon 28 Jun '03

28 Jun '03

I am just quoting my learned college in Mentor, who was advised by Rational that incremental backups were not the way to go. I see your point that there's little you can do with a volume of your size, but since we are talking about a database with file history, should you suffer any mishap in your backup software, would that cause a major problem in your ability to restore? We use netbackup, and I know there are times when the software misses a backup. It did last night! Simon -----Original Message----- From: John Stoffel To: Clawson, Simon Cc: 'Kumar, Rahul'; toasters(a)mathworks.com Sent: 27/06/03 22:03 Subject: RE: Clearcase and Netapp Simon> This kind of adds weight to the argument for having a separate Simon> volume. You are not wise to do incremental backups of CC Simon> data. There is no real way to restore an incremental, so full Simon> backups are required, and this means nightly full backups of Simon> the whole CC data. If you are chucking other data in there as Simon> well this means full nightly backups of ALL your data! CC data Simon> grows fast, so will be a big lump on its own. I just wanted to chime in here and say that this is wrong, incremental backups of VOBs data works just fine, as long as the previous full and all the incrementals were properly locked when the backup was made. We use Legato Networker with incremental backups on our VOBs and we've never had a problem. Since the VOBs are around 300gb for a full backup, and 60gb a night for incrementals, it's a *huge* savings in tape to do it this way. You need to make sure that your backup software offers a true incremental restore option though, plain old dump/restore won't work right since it doens't handle files that existed in the full, but not in the incremental case. John John Stoffel - Senior Unix Systems Administrator - Lucent Technologies stoffel(a)lucent.com - http://www.lucent.com - 978-399-0479

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RE: Clearcase and Netapp
by Clawson, Simon 27 Jun '03

27 Jun '03

Hi Kumar, We are CC users on NetApps. It works great! Question 1. I would say yes, as it means you can set a no quotas style volume and not worry about your CC data swallowing up all your available resource. Question 2. As per the info above I would say no. Keep the CC data separate. There seems to be no official reason for this, but it make managing it all easier. Question 3. Locking the vobs is relatively easy. We use a Perl script that another message board regular and employ of our company devised for us. It simply runs a lock command on all vobs, runs a snapshot command on the filer volume then unlocks all the vobs. The snapshot can then be backed up at leisure. I will ask him if he thinks this is something he could publish. This kind of adds weight to the argument for having a separate volume. You are not wise to do incremental backups of CC data. There is no real way to restore an incremental, so full backups are required, and this means nightly full backups of the whole CC data. If you are chucking other data in there as well this means full nightly backups of ALL your data! CC data grows fast, so will be a big lump on its own. Hope this helps. There are great white papers on NOW that cover this too. Simon -----Original Message----- From: Kumar, Rahul [mailto:rahul.kumar@eds.com] Sent: 27 June 2003 11:24 Cc: toasters(a)mathworks.com Subject: Clearcase and Netapp Hi All, Can somebody provide me a little help with Clearcase and Netapps a) Is is recommended to have a different volume dedicated for Clearcase Related Data. b) Can I have a single volume to accommodate the CC-Vobs & other data. c) As far as I understand we need to have "nvfail on" for the volume related to clearcase d) Backing up or taking snapshot for the CC data requires to have the "vobs locked" during that time. How does that come into picture if I have a different volume for clearcase vesrus having a mixture of all the data on one volume Regards Rahul Kumar

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Clearcase and Netapp
by Kumar, Rahul 27 Jun '03

27 Jun '03

Hi All, Can somebody provide me a little help with Clearcase and Netapps a) Is is recommended to have a different volume dedicated for Clearcase Related Data. b) Can I have a single volume to accommodate the CC-Vobs & other data. c) As far as I understand we need to have "nvfail on" for the volume related to clearcase d) Backing up or taking snapshot for the CC data requires to have the "vobs locked" during that time. How does that come into picture if I have a different volume for clearcase vesrus having a mixture of all the data on one volume Regards Rahul Kumar

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need some help on EMC CX600
by Mehrzad.Gomari＠Zarlink.Com 27 Jun '03

27 Jun '03

Please if you have any benchmarking and other info. send me a copy. I thank you in advance. Mehrzad Gomari SAP Basis Admin Zarlink Semiconductor Tel: 613-270-7163 Cell: 613-292-4254 Fax: 613-592-1010

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Dinostor TapeServer
by Holland, William L 27 Jun '03

27 Jun '03

Anyone out there using this product? (http://www.dinostor.com). If so, with which tape library and which backup software package? Since I'm setting up my NetApps from scratch and have no FCP equipment I would really like to build a GbE solution. However, the boss wants LTO2 and so far no one has a GbE solution for LTO2 -- most seem to be several months away. Also, I don't want to dedicate a tape library to one particular NetApp as I expect we will get a couple more in the not so distant future. Thanks again.

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RE: Clearcase and Netapp
by Erik Feddersen 27 Jun '03

27 Jun '03

Separate volume for vobs Separate volume for views Other volumes for other data. Year 3 of all 4 pools on a NetApp used for vobs and views. Erik -----Original Message----- From: Jain, Maneesh [mailto:Maneesh.Jain@netapp.com] Sent: Friday, June 27, 2003 12:07 PM To: Kumar, Rahul Cc: toasters(a)mathworks.com Subject: RE: Clearcase and Netapp Hi Rahul, Some answers: a) I would have a separate volume with at least 6 to 8 disks. b) Yes, you could but I wouldn't recommend it. It just makes things more complicated to troubleshoot. c) Yes. d) It depends on what other data you have on that same volume. If it is just home directory or just files then it really doesn't matter. You have to lock the VOB, snapshot the volume where the VOB data is and then unlock the VOB. Most of this is covered in here: http://www.netapp.com/tech_library/3111.html Let me know if you have more questions. Maneesh -----Original Message----- From: Kumar, Rahul [mailto:rahul.kumar@eds.com] Sent: Friday, June 27, 2003 3:24 AM Cc: toasters(a)mathworks.com Subject: Clearcase and Netapp Hi All, Can somebody provide me a little help with Clearcase and Netapps a) Is is recommended to have a different volume dedicated for Clearcase Related Data. b) Can I have a single volume to accommodate the CC-Vobs & other data. c) As far as I understand we need to have "nvfail on" for the volume related to clearcase d) Backing up or taking snapshot for the CC data requires to have the "vobs locked" during that time. How does that come into picture if I have a different volume for clearcase vesrus having a mixture of all the data on one volume Regards Rahul Kumar

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RE: Clearcase and Netapp
by Jain, Maneesh 27 Jun '03

27 Jun '03

Hi Rahul, Some answers: a) I would have a separate volume with at least 6 to 8 disks. b) Yes, you could but I wouldn't recommend it. It just makes things more complicated to troubleshoot. c) Yes. d) It depends on what other data you have on that same volume. If it is just home directory or just files then it really doesn't matter. You have to lock the VOB, snapshot the volume where the VOB data is and then unlock the VOB. Most of this is covered in here: http://www.netapp.com/tech_library/3111.html Let me know if you have more questions. Maneesh -----Original Message----- From: Kumar, Rahul [mailto:rahul.kumar@eds.com] Sent: Friday, June 27, 2003 3:24 AM Cc: toasters(a)mathworks.com Subject: Clearcase and Netapp Hi All, Can somebody provide me a little help with Clearcase and Netapps a) Is is recommended to have a different volume dedicated for Clearcase Related Data. b) Can I have a single volume to accommodate the CC-Vobs & other data. c) As far as I understand we need to have "nvfail on" for the volume related to clearcase d) Backing up or taking snapshot for the CC data requires to have the "vobs locked" during that time. How does that come into picture if I have a different volume for clearcase vesrus having a mixture of all the data on one volume Regards Rahul Kumar

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