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Old 05-16-2007, 04:08 PM
csrollyson csrollyson is offline
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Irregular SD boot probs w backup firewire partitions

This thread recreated from email exchange w s-p support in case it's helpful to others:

From: chris@rollyson.net
Reply-To: chris@rollyson.net
Date: Wed, 16 May 2007 01:35:10 +0000
To: support@shirt-pocket.com
Subject: Problems w SD firewire startup disks

Hi SD,

I've been a customer for years, and I enjoy using SD for backups. I've successfully used SD for creating bootable backups.

I have a 250 gig FW with 3 partitions. One backs up "Mac 6" and the other "Mac 51." Both are bootable and have been tested many times.

I just upgraded my hard disk in the Mac 6 machine. I backed it up and booted from the FW backup. Used the machine for some work, all fine. Replaced hard disk. The HD wouldn't boot. Of course, my intent was to use the bootable Mac 6 backup (startup disk) to overwrite the new hard drive.

I intalled Tiger on the new HD (called "Mac 61"). I used disk utility. I repaired the disk, but no repairs needed. Permissions are grayed out, so I can't verify or repair. The FW drive mounts fine, all partitions.

Can you give me some suggestions?

Thanks! Chris
----
From: Shirt Pocket Support
Reply-To: support@shirt-pocket.com
Date: Wed, 16 May 2007 07:06 +0000
To: chris@rollyson.net
Subject: Re: Problems w SD firewire startup disks

Is it partitioned properly for your Mac (as APM or GUID, depending on CPU)?
--
Dave Nanian
Shirt Pocket
----
From: chris@rollyson.net
Reply-To: chris@rollyson.net
Date: Wed, 16 May 2007 10:39:48 +0000
To: Shirt Pocket Support <support@shirt-pocket.com
Subject: Re: (Case 40595) Problems w SD firewire startup disks

Dave,

Yes, all drives partitioned correctly:
All 3 partitions on FW created with Disk U and operational for months. 2 partitions are startup disks. The new drive "Mac 61" partitioned into 1 partition w DU.

BTW, when I use System Prefs/Startup disk (starting fr. Mac 61, both FW partitions show up as startup disks but neither will start up when I select them and restart.

TIA- Chris
----
From: Shirt Pocket Support [mailto:support@shirt-pocket.com]
Sent: Wednesday, May 16, 2007 10:47 AM
To: chris@rollyson.net
Subject: ReCase 40595) Problems w SD firewire startup disks

OK. So; what's different about the new drive? Daisy chained? Different port? It's likely *something*...
--
Dave Nanian
Shirt Pocket
----
From: chris@rollyson.net
Reply-To: chris@rollyson.net
Date: Wed, 16 May 2007 11:24:48 +0000
To: Shirt Pocket Support <support@shirt-pocket.com
Subject: Re: (Case 40595) Problems w SD firewire startup disks

Hi Dave,

Formerly-functioning SD backups (confirmed startup disks) lost their startup ability, and I don't know how to get it back. How do I check for daisy chain/ports? It's got to be something silly.

Here's all the evidence I have:

Characters:
-Mac 51 int. hd for TiBook
-Mac 6 int. hd for 17-inch PB
-Mac 51bu SD-created bootable backup partition on external FW
-Mac 6bu SD-created bootable backup partition on external FW
-Mac 61 upgraded int. hd for 17-inch PB

Process:
Backed up Mac 6 as normal. Restarted using Mac BU as startup disk. Did some work during the day; all normal. Shut down.

Replaced Mac 6 w Mac 61. Connected FW and booted. Nothing recognized. Oops, forgot to partition Mac 61 w DU, so shut down, started from Tiger CD. Partitioned Mac 61 w DU. Selected Mac 6 BU as startup disk. No dice. "?" on gray screen.

Installed Tiger on Mac 61. Selected Mac 6BU as startup. Restarted, Mac 6BU won't boot. Started holding down option key. Neither FW partition recognized as startup disk there, even though they are with System Prefs/startup disk. Shut down. Disconnected FW.

Connected FW to Mac 51. Selected Mac 51BU as startup. Won't boot. Restarted but now Mac 51 no longer starts up either. Disconnected FW and restarted. Won't boot.

BTW, for months I have used the FW as backup for both machines and have changed startup disks easily with both with no problems. What's the ghost in the machine?

Thanks- Chris
----
From: Shirt Pocket Support [mailto:support@shirt-pocket.com]
Sent: Wednesday, May 16, 2007 11:37 AM
To: chris@rollyson.net
Subject: ReCase 40595) Problems w SD firewire startup disks

I have no idea, Chris. Seems kind of weird. What brand/model are the drives?
--
Dave Nanian
Shirt Pocket
----
From: chris@rollyson.net
Reply-To: chris@rollyson.net
Date: Wed, 16 May 2007 12:20:57 +0000
To: Shirt Pocket Support <support@shirt-pocket.com
Subject: Re: (Case 40595) Problems w SD firewire startup disks

The external FW is acomdata 250 gig. The upgraded Mac 61 is hitachi.

My gut feel is it's a permissions issue. In DU, I have "repaired" each partition of the FW, but no repairs were needed. However, the "verify disk permissions" and "repair disk permissions" buttons are grayed out.

BTW, I have also tried to repair Mac 51 by starting in target disk mode and connecting to Mac 61. Its permissions buttons are also grayed out. The permissions buttons on Mac 61 are functional.

It seems that I read somewhere that the default for FW drives is that they "ignore" permissions; selecting any of my FW disks and ?i (get info) shows that the "ignore ownership on this volume" is checked. Is that why I can't repair permissions?

Chris
----
From: Shirt Pocket Support [mailto:support@shirt-pocket.com]
Sent: Wednesday, May 16, 2007 12:23 AM
To: chris@rollyson.net
Subject: ReCase 40595) Problems w SD firewire startup disks

I don't think it's a permission thing. I think it's likely a non-Oxford chipset in the Acomdata drive.
--
Dave Nanian
Shirt Pocket
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