Softraid and big sur3/9/2023 Thank you, Apple, for that great inconvenience.ĭevelopers and researchers who rely on running macOS in virtual machines (VMs) have discovered that it often isn’t possible to update those with security updates, or the mandatory online update from 11.1 to 11.2. So after several hours slog, they can eventually roll back to 11.1 and get their external RAID systems working again. Of course that completely wipes their M1 Mac, which then has to be restored from a backup. Provided that they have another Mac running Catalina or Big Sur and a suitable cable, they can put their M1 into DFU mode, connect it to Configurator 2, and restore the IPSW for macOS 11.1. In the meantime, they can’t download the full installer for 11.1, to which Apple unilaterally decided users should no longer have access.įor those early adopters who are already using M1 Macs, this isn’t an insurmountable problem, though. They need to roll back to 11.1 while Apple and OWC sort this incompatibility out, which may not be fixed until the release of 11.3, perhaps in late March. Some of those who updated successfully, so they thought, to 11.2 have since discovered that it’s incompatible with the latest release of SoftRAID, rendering their expensive RAID systems inaccessible. Download the current version of 10.15.7 using the same mechanism, and you’ll be given the version from last November, without either Security Update 2020-001 or 2021-001 installed. Sudo softwareupdate -fetch-full-installer -full-installer-version 11.1Īt the command line, Apple’s servers tell you it wasn’t found. As things stand at the moment, even if you use Not only are there still no standalone installers for that, and no explanation or (heaven forbid) apology, but Apple immediately removed the full 11.1 installer app, and still hasn’t provided standalone installer packages for the concomitant security updates to Mojave and Catalina. Just over month later, Apple released the update to 11.2. Not that Apple had gone to the trivial effort of informing users, most of whom only discovered this when no standalone installers were provided for 11.1. At that time, I gather, Apple hadn’t decided whether it would provide any form of standalone updater for Big Sur, and not having made that decision, it meant that no standalone installer was provided at all. That isn’t possible with the SSV, which needs a different engineering approach. Prior to Big Sur, creating Installer packages for both incremental or ‘delta’ and Combo updates wasn’t difficult, as those essentially performed the same installations as the direct update. Installing updates to this is quite different to previous macOS updates, and includes building a Merkel tree of hash values which are then saved in file system metadata. The reason is apparently Big Sur’s new Sealed System Volume (SSV). Just before Christmas, when Apple released the update to Big Sur 11.1, there was uproar among users as it had apparently decided, without any announcement let alone consultation, to cease providing standalone updates for Big Sur.
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